diff --git a/src/main/asciidoc/index.adoc b/src/main/asciidoc/index.adoc
index 147693b63..b2b3c48c9 100644
--- a/src/main/asciidoc/index.adoc
+++ b/src/main/asciidoc/index.adoc
@@ -6,7 +6,7 @@ BioMed Central Development Team
 :toc-placement!:
 :spring-data-commons-docs: ../../../../spring-data-commons/src/main/asciidoc
 
-(C) 2013-2015 The original author(s).
+(C) 2013-2019 The original author(s).
 
 NOTE: Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any fee for such copies and further provided that each copy contains this Copyright Notice, whether distributed in print or electronically.
 
diff --git a/src/main/java/org/springframework/data/elasticsearch/ElasticsearchException.java b/src/main/java/org/springframework/data/elasticsearch/ElasticsearchException.java
index 88ea99643..1d2d19c1b 100644
--- a/src/main/java/org/springframework/data/elasticsearch/ElasticsearchException.java
+++ b/src/main/java/org/springframework/data/elasticsearch/ElasticsearchException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/CompletionField.java b/src/main/java/org/springframework/data/elasticsearch/annotations/CompletionField.java
index 7176d23b1..dd750aeca 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/CompletionField.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/CompletionField.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/DateFormat.java b/src/main/java/org/springframework/data/elasticsearch/annotations/DateFormat.java
index 056dc1482..450c33e9a 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/DateFormat.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/DateFormat.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/Document.java b/src/main/java/org/springframework/data/elasticsearch/annotations/Document.java
index 5e0712b13..85e1bfc1e 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/Document.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/Document.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/Field.java b/src/main/java/org/springframework/data/elasticsearch/annotations/Field.java
index 8f139f74a..5fc4396ce 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/Field.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/Field.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/FieldType.java b/src/main/java/org/springframework/data/elasticsearch/annotations/FieldType.java
index d78c95b9a..9c0c06636 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/FieldType.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/FieldType.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/GeoPointField.java b/src/main/java/org/springframework/data/elasticsearch/annotations/GeoPointField.java
index bdb8025bb..5080b2111 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/GeoPointField.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/GeoPointField.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/InnerField.java b/src/main/java/org/springframework/data/elasticsearch/annotations/InnerField.java
index 1f5bdfc30..e65a42251 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/InnerField.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/InnerField.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/Mapping.java b/src/main/java/org/springframework/data/elasticsearch/annotations/Mapping.java
index 323840495..e17dae8b4 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/Mapping.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/Mapping.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/MultiField.java b/src/main/java/org/springframework/data/elasticsearch/annotations/MultiField.java
index 1b5024576..e97d8299c 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/MultiField.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/MultiField.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/Parent.java b/src/main/java/org/springframework/data/elasticsearch/annotations/Parent.java
index 940e6f04f..bdfedb814 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/Parent.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/Parent.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/Query.java b/src/main/java/org/springframework/data/elasticsearch/annotations/Query.java
index d1fc2f3f4..1ef243378 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/Query.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/Query.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/Setting.java b/src/main/java/org/springframework/data/elasticsearch/annotations/Setting.java
index c2d746f0f..938abb498 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/Setting.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/Setting.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/client/ClusterNodes.java b/src/main/java/org/springframework/data/elasticsearch/client/ClusterNodes.java
index 43ac652bd..523719cb1 100644
--- a/src/main/java/org/springframework/data/elasticsearch/client/ClusterNodes.java
+++ b/src/main/java/org/springframework/data/elasticsearch/client/ClusterNodes.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 the original author or authors.
+ * Copyright 2018-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/client/NodeClientFactoryBean.java b/src/main/java/org/springframework/data/elasticsearch/client/NodeClientFactoryBean.java
index 6c47d7d10..0f5d57fc3 100644
--- a/src/main/java/org/springframework/data/elasticsearch/client/NodeClientFactoryBean.java
+++ b/src/main/java/org/springframework/data/elasticsearch/client/NodeClientFactoryBean.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2017 the original author or authors.
+ * Copyright 2015-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/client/TransportClientFactoryBean.java b/src/main/java/org/springframework/data/elasticsearch/client/TransportClientFactoryBean.java
index 43b8fd373..a471c2318 100644
--- a/src/main/java/org/springframework/data/elasticsearch/client/TransportClientFactoryBean.java
+++ b/src/main/java/org/springframework/data/elasticsearch/client/TransportClientFactoryBean.java
@@ -1,152 +1,152 @@
-/*
- * Copyright 2013 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.springframework.data.elasticsearch.client;
-
-import java.util.Properties;
-
-import org.elasticsearch.client.transport.TransportClient;
-import org.elasticsearch.common.settings.Settings;
-import org.elasticsearch.transport.client.PreBuiltTransportClient;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.DisposableBean;
-import org.springframework.beans.factory.FactoryBean;
+/*
+ * Copyright 2013-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.elasticsearch.client;
+
+import java.util.Properties;
+
+import org.elasticsearch.client.transport.TransportClient;
+import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.transport.client.PreBuiltTransportClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.beans.factory.FactoryBean;
 import org.springframework.beans.factory.InitializingBean;
-
-/**
- * TransportClientFactoryBean
- *
- * @author Rizwan Idrees
- * @author Mohsin Husen
- * @author Jakub Vavrik
- * @author Piotr Betkier
- * @author Ilkang Na
- * @author Oliver Gierke
- */
-public class TransportClientFactoryBean implements FactoryBean<TransportClient>, InitializingBean, DisposableBean {
-
-	private static final Logger logger = LoggerFactory.getLogger(TransportClientFactoryBean.class);
-	private ClusterNodes clusterNodes = ClusterNodes.of("127.0.0.1:9300");
-	private String clusterName = "elasticsearch";
-	private Boolean clientTransportSniff = true;
-	private Boolean clientIgnoreClusterName = Boolean.FALSE;
-	private String clientPingTimeout = "5s";
-	private String clientNodesSamplerInterval = "5s";
-	private TransportClient client;
-	private Properties properties;
-
-	@Override
-	public void destroy() throws Exception {
-		try {
-			logger.info("Closing elasticSearch  client");
-			if (client != null) {
-				client.close();
-			}
-		} catch (final Exception e) {
-			logger.error("Error closing ElasticSearch client: ", e);
-		}
-	}
-
-	@Override
-	public TransportClient getObject() throws Exception {
-		return client;
-	}
-
-	@Override
-	public Class<TransportClient> getObjectType() {
-		return TransportClient.class;
-	}
-
-	@Override
-	public boolean isSingleton() {
-		return false;
-	}
-
-	@Override
-	public void afterPropertiesSet() throws Exception {
-		buildClient();
-	}
-
-	protected void buildClient() throws Exception {
-
-		client = new PreBuiltTransportClient(settings());
-		
-		clusterNodes.stream() //
-				.peek(it -> logger.info("Adding transport node : " + it.toString())) //
-				.forEach(client::addTransportAddress);
-		
-		client.connectedNodes();
-	}
-
-	private Settings settings() {
-		if (properties != null) {
-			Settings.Builder builder = Settings.builder();
-
-			properties.forEach((key, value) -> {
-				builder.put(key.toString(), value.toString());
-			});
-
-			return builder.build();
-		}
-		return Settings.builder()
-				.put("cluster.name", clusterName)
-				.put("client.transport.sniff", clientTransportSniff)
-				.put("client.transport.ignore_cluster_name", clientIgnoreClusterName)
-				.put("client.transport.ping_timeout", clientPingTimeout)
-				.put("client.transport.nodes_sampler_interval", clientNodesSamplerInterval)
-				.build();
-	}
-
-	public void setClusterNodes(String clusterNodes) {
-		this.clusterNodes = ClusterNodes.of(clusterNodes);
-	}
-
-	public void setClusterName(String clusterName) {
-		this.clusterName = clusterName;
-	}
-
-	public void setClientTransportSniff(Boolean clientTransportSniff) {
-		this.clientTransportSniff = clientTransportSniff;
-	}
-
-	public String getClientNodesSamplerInterval() {
-		return clientNodesSamplerInterval;
-	}
-
-	public void setClientNodesSamplerInterval(String clientNodesSamplerInterval) {
-		this.clientNodesSamplerInterval = clientNodesSamplerInterval;
-	}
-
-	public String getClientPingTimeout() {
-		return clientPingTimeout;
-	}
-
-	public void setClientPingTimeout(String clientPingTimeout) {
-		this.clientPingTimeout = clientPingTimeout;
-	}
-
-	public Boolean getClientIgnoreClusterName() {
-		return clientIgnoreClusterName;
-	}
-
-	public void setClientIgnoreClusterName(Boolean clientIgnoreClusterName) {
-		this.clientIgnoreClusterName = clientIgnoreClusterName;
-	}
-
-	public void setProperties(Properties properties) {
-		this.properties = properties;
-	}
-}
+
+/**
+ * TransportClientFactoryBean
+ *
+ * @author Rizwan Idrees
+ * @author Mohsin Husen
+ * @author Jakub Vavrik
+ * @author Piotr Betkier
+ * @author Ilkang Na
+ * @author Oliver Gierke
+ */
+public class TransportClientFactoryBean implements FactoryBean<TransportClient>, InitializingBean, DisposableBean {
+
+	private static final Logger logger = LoggerFactory.getLogger(TransportClientFactoryBean.class);
+	private ClusterNodes clusterNodes = ClusterNodes.of("127.0.0.1:9300");
+	private String clusterName = "elasticsearch";
+	private Boolean clientTransportSniff = true;
+	private Boolean clientIgnoreClusterName = Boolean.FALSE;
+	private String clientPingTimeout = "5s";
+	private String clientNodesSamplerInterval = "5s";
+	private TransportClient client;
+	private Properties properties;
+
+	@Override
+	public void destroy() throws Exception {
+		try {
+			logger.info("Closing elasticSearch  client");
+			if (client != null) {
+				client.close();
+			}
+		} catch (final Exception e) {
+			logger.error("Error closing ElasticSearch client: ", e);
+		}
+	}
+
+	@Override
+	public TransportClient getObject() throws Exception {
+		return client;
+	}
+
+	@Override
+	public Class<TransportClient> getObjectType() {
+		return TransportClient.class;
+	}
+
+	@Override
+	public boolean isSingleton() {
+		return false;
+	}
+
+	@Override
+	public void afterPropertiesSet() throws Exception {
+		buildClient();
+	}
+
+	protected void buildClient() throws Exception {
+
+		client = new PreBuiltTransportClient(settings());
+		
+		clusterNodes.stream() //
+				.peek(it -> logger.info("Adding transport node : " + it.toString())) //
+				.forEach(client::addTransportAddress);
+		
+		client.connectedNodes();
+	}
+
+	private Settings settings() {
+		if (properties != null) {
+			Settings.Builder builder = Settings.builder();
+
+			properties.forEach((key, value) -> {
+				builder.put(key.toString(), value.toString());
+			});
+
+			return builder.build();
+		}
+		return Settings.builder()
+				.put("cluster.name", clusterName)
+				.put("client.transport.sniff", clientTransportSniff)
+				.put("client.transport.ignore_cluster_name", clientIgnoreClusterName)
+				.put("client.transport.ping_timeout", clientPingTimeout)
+				.put("client.transport.nodes_sampler_interval", clientNodesSamplerInterval)
+				.build();
+	}
+
+	public void setClusterNodes(String clusterNodes) {
+		this.clusterNodes = ClusterNodes.of(clusterNodes);
+	}
+
+	public void setClusterName(String clusterName) {
+		this.clusterName = clusterName;
+	}
+
+	public void setClientTransportSniff(Boolean clientTransportSniff) {
+		this.clientTransportSniff = clientTransportSniff;
+	}
+
+	public String getClientNodesSamplerInterval() {
+		return clientNodesSamplerInterval;
+	}
+
+	public void setClientNodesSamplerInterval(String clientNodesSamplerInterval) {
+		this.clientNodesSamplerInterval = clientNodesSamplerInterval;
+	}
+
+	public String getClientPingTimeout() {
+		return clientPingTimeout;
+	}
+
+	public void setClientPingTimeout(String clientPingTimeout) {
+		this.clientPingTimeout = clientPingTimeout;
+	}
+
+	public Boolean getClientIgnoreClusterName() {
+		return clientIgnoreClusterName;
+	}
+
+	public void setClientIgnoreClusterName(Boolean clientIgnoreClusterName) {
+		this.clientIgnoreClusterName = clientIgnoreClusterName;
+	}
+
+	public void setProperties(Properties properties) {
+		this.properties = properties;
+	}
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandler.java b/src/main/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandler.java
index 315020c6a..c2d6fb6a1 100644
--- a/src/main/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandler.java
+++ b/src/main/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandler.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/config/NodeClientBeanDefinitionParser.java b/src/main/java/org/springframework/data/elasticsearch/config/NodeClientBeanDefinitionParser.java
index 96cad2e1d..23738c3f8 100644
--- a/src/main/java/org/springframework/data/elasticsearch/config/NodeClientBeanDefinitionParser.java
+++ b/src/main/java/org/springframework/data/elasticsearch/config/NodeClientBeanDefinitionParser.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 the original author or authors.
+ * Copyright 2015-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/config/TransportClientBeanDefinitionParser.java b/src/main/java/org/springframework/data/elasticsearch/config/TransportClientBeanDefinitionParser.java
index 200f830ce..3149b2de0 100644
--- a/src/main/java/org/springframework/data/elasticsearch/config/TransportClientBeanDefinitionParser.java
+++ b/src/main/java/org/springframework/data/elasticsearch/config/TransportClientBeanDefinitionParser.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/AbstractResultMapper.java b/src/main/java/org/springframework/data/elasticsearch/core/AbstractResultMapper.java
index 213a4f096..2d50fe1d6 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/AbstractResultMapper.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/AbstractResultMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/CriteriaFilterProcessor.java b/src/main/java/org/springframework/data/elasticsearch/core/CriteriaFilterProcessor.java
index 971d6a403..5ba2dd137 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/CriteriaFilterProcessor.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/CriteriaFilterProcessor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/CriteriaQueryProcessor.java b/src/main/java/org/springframework/data/elasticsearch/core/CriteriaQueryProcessor.java
index f082e9cfc..c91fd8b7e 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/CriteriaQueryProcessor.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/CriteriaQueryProcessor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/DefaultEntityMapper.java b/src/main/java/org/springframework/data/elasticsearch/core/DefaultEntityMapper.java
index 54d732459..528bb7bba 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/DefaultEntityMapper.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/DefaultEntityMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/DefaultResultMapper.java b/src/main/java/org/springframework/data/elasticsearch/core/DefaultResultMapper.java
index 318e2212d..30a2a2eb9 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/DefaultResultMapper.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/DefaultResultMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchOperations.java b/src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchOperations.java
index 65a409777..4106a5b25 100755
--- a/src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchOperations.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchOperations.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplate.java b/src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplate.java
index a3f302a42..7d4152af7 100755
--- a/src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplate.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplate.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/EntityMapper.java b/src/main/java/org/springframework/data/elasticsearch/core/EntityMapper.java
index d3d5ac914..3bddc64b9 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/EntityMapper.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/EntityMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/FacetedPage.java b/src/main/java/org/springframework/data/elasticsearch/core/FacetedPage.java
index d1fad4756..f9ef1573e 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/FacetedPage.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/FacetedPage.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/FacetedPageImpl.java b/src/main/java/org/springframework/data/elasticsearch/core/FacetedPageImpl.java
index a3de48b47..3f2ed38f5 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/FacetedPageImpl.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/FacetedPageImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/GetResultMapper.java b/src/main/java/org/springframework/data/elasticsearch/core/GetResultMapper.java
index 58fb05838..eaa0c0406 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/GetResultMapper.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/GetResultMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/MappingBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/MappingBuilder.java
index 7d059d570..b8474dfb3 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/MappingBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/MappingBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/MultiGetResultMapper.java b/src/main/java/org/springframework/data/elasticsearch/core/MultiGetResultMapper.java
index c5169ed7e..584e982a7 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/MultiGetResultMapper.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/MultiGetResultMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/ResultsExtractor.java b/src/main/java/org/springframework/data/elasticsearch/core/ResultsExtractor.java
index 658566751..89d6602dc 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/ResultsExtractor.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/ResultsExtractor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/ResultsMapper.java b/src/main/java/org/springframework/data/elasticsearch/core/ResultsMapper.java
index 41db0f7e7..62b38954b 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/ResultsMapper.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/ResultsMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/ScoredPage.java b/src/main/java/org/springframework/data/elasticsearch/core/ScoredPage.java
index aa8d28f8e..8197451fe 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/ScoredPage.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/ScoredPage.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 the original author or authors.
+ * Copyright 2018-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/SearchResultMapper.java b/src/main/java/org/springframework/data/elasticsearch/core/SearchResultMapper.java
index 4e63f53fd..ebda7aaed 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/SearchResultMapper.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/SearchResultMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/aggregation/impl/AggregatedPageImpl.java b/src/main/java/org/springframework/data/elasticsearch/core/aggregation/impl/AggregatedPageImpl.java
index caf8b8456..faaa350f0 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/aggregation/impl/AggregatedPageImpl.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/aggregation/impl/AggregatedPageImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/convert/DateTimeConverters.java b/src/main/java/org/springframework/data/elasticsearch/core/convert/DateTimeConverters.java
index ce81d6d39..455bd4cd0 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/convert/DateTimeConverters.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/convert/DateTimeConverters.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/convert/ElasticsearchConverter.java b/src/main/java/org/springframework/data/elasticsearch/core/convert/ElasticsearchConverter.java
index c649585b1..422e4a8a7 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/convert/ElasticsearchConverter.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/convert/ElasticsearchConverter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverter.java b/src/main/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverter.java
index 496e5bcf8..9cb7eaf3f 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverter.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/AbstractFacetRequest.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/AbstractFacetRequest.java
index 2d0cbcd66..174a13aad 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/AbstractFacetRequest.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/AbstractFacetRequest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -47,4 +47,4 @@ public abstract class AbstractFacetRequest implements FacetRequest {
 	public boolean applyQueryFilter() {
 		return applyQueryFilter;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/AbstractFacetResult.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/AbstractFacetResult.java
index 0dd050dc5..4045da4a7 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/AbstractFacetResult.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/AbstractFacetResult.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetRequest.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetRequest.java
index 8827d719e..9643cc611 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetRequest.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetRequest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetResult.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetResult.java
index 84cd55930..238a8109f 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetResult.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetResult.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetType.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetType.java
index 4a6914e0a..dd296df53 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetType.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/FacetType.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/HistogramFacetRequest.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/HistogramFacetRequest.java
index eeae24238..b6cce7f8f 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/HistogramFacetRequest.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/HistogramFacetRequest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -69,4 +69,4 @@ public class HistogramFacetRequest extends AbstractFacetRequest {
 
 		return dateHistogramBuilder;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/HistogramFacetRequestBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/HistogramFacetRequestBuilder.java
index 0c339cc29..7060ea24c 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/HistogramFacetRequestBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/HistogramFacetRequestBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -55,4 +55,4 @@ public class HistogramFacetRequestBuilder {
 		result.setApplyQueryFilter(true);
 		return this;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/NativeFacetRequest.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/NativeFacetRequest.java
index efba14a0c..b78acaa05 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/NativeFacetRequest.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/NativeFacetRequest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/RangeFacetRequest.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/RangeFacetRequest.java
index d8d5e5b16..a5d5e23a4 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/RangeFacetRequest.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/RangeFacetRequest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/RangeFacetRequestBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/RangeFacetRequestBuilder.java
index 63b8ce916..09a30673a 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/RangeFacetRequestBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/RangeFacetRequestBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -82,4 +82,4 @@ public class RangeFacetRequestBuilder {
 	public FacetRequest build() {
 		return result;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/StatisticalFacetRequest.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/StatisticalFacetRequest.java
index d514becef..e66accd52 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/StatisticalFacetRequest.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/StatisticalFacetRequest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,4 +49,4 @@ public class StatisticalFacetRequest extends AbstractFacetRequest {
 		Assert.isTrue(!StringUtils.isEmpty(field) && fields == null, "Please select field or fields on which to build the facets !!!");
 		return AggregationBuilders.extendedStats(getName()).field(field);
 	}
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/StatisticalFacetRequestBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/StatisticalFacetRequestBuilder.java
index 8baa91027..67aa09c40 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/StatisticalFacetRequestBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/StatisticalFacetRequestBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,4 +49,4 @@ public class StatisticalFacetRequestBuilder {
 	public FacetRequest build() {
 		return result;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetOrder.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetOrder.java
index 064c40247..501f3c19d 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetOrder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetOrder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetRequest.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetRequest.java
index 19bef1480..d42cf7a08 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetRequest.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetRequest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetRequestBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetRequestBuilder.java
index 343db81aa..a6b7beb1d 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetRequestBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/request/TermFacetRequestBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -85,4 +85,4 @@ public class TermFacetRequestBuilder {
 	public FacetRequest build() {
 		return result;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/HistogramResult.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/HistogramResult.java
index 1114158a4..e5e4197a3 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/HistogramResult.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/HistogramResult.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/IntervalUnit.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/IntervalUnit.java
index b439a881e..9212fa4ae 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/IntervalUnit.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/IntervalUnit.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/Range.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/Range.java
index 166e97e58..0a1cbf1fe 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/Range.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/Range.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/RangeResult.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/RangeResult.java
index db2b2e2cb..97ea4ba81 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/RangeResult.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/RangeResult.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/StatisticalResult.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/StatisticalResult.java
index 28f188686..d5ad314fc 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/StatisticalResult.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/StatisticalResult.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/Term.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/Term.java
index 6bc87bfd4..ed2312f61 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/Term.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/Term.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/TermResult.java b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/TermResult.java
index 12653abba..313e62e25 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/facet/result/TermResult.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/facet/result/TermResult.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoBox.java b/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoBox.java
index 82ac41ca3..ea59e3985 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoBox.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoBox.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoPoint.java b/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoPoint.java
index bbc862a9a..f53bb9363 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoPoint.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoPoint.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/mapping/ElasticsearchPersistentEntity.java b/src/main/java/org/springframework/data/elasticsearch/core/mapping/ElasticsearchPersistentEntity.java
index 6d07c3b1c..d0e1d0db5 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/mapping/ElasticsearchPersistentEntity.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/mapping/ElasticsearchPersistentEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/mapping/ElasticsearchPersistentProperty.java b/src/main/java/org/springframework/data/elasticsearch/core/mapping/ElasticsearchPersistentProperty.java
index fb38c8eb5..0dd8ca02d 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/mapping/ElasticsearchPersistentProperty.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/mapping/ElasticsearchPersistentProperty.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchMappingContext.java b/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchMappingContext.java
index 1de14ef94..2ebb8bf9e 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchMappingContext.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchMappingContext.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntity.java b/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntity.java
index cbefb7450..39a2fd479 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntity.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentProperty.java b/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentProperty.java
index d9ab47f9f..4ae6dc1cf 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentProperty.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentProperty.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/AbstractQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/AbstractQuery.java
index b8bcfd52b..ea76497b2 100755
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/AbstractQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/AbstractQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/AliasBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/query/AliasBuilder.java
index d139cf5e0..f4dd696e9 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/AliasBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/AliasBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/AliasQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/AliasQuery.java
index 4b65c72ee..1a3be8ec7 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/AliasQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/AliasQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/Criteria.java b/src/main/java/org/springframework/data/elasticsearch/core/query/Criteria.java
index 8da40560b..d20b28b1a 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/Criteria.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/Criteria.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/CriteriaQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/CriteriaQuery.java
index 00b5cb159..cda1a9dc8 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/CriteriaQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/CriteriaQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/DeleteQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/DeleteQuery.java
index be2cae43b..3e787a7b2 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/DeleteQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/DeleteQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/FetchSourceFilter.java b/src/main/java/org/springframework/data/elasticsearch/core/query/FetchSourceFilter.java
index 75e94f673..e8e87a843 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/FetchSourceFilter.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/FetchSourceFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/FetchSourceFilterBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/query/FetchSourceFilterBuilder.java
index fe288985f..7e71c392f 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/FetchSourceFilterBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/FetchSourceFilterBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/Field.java b/src/main/java/org/springframework/data/elasticsearch/core/query/Field.java
index 33c097da6..8abb380fa 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/Field.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/Field.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/GetQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/GetQuery.java
index c5409d5b3..20be2c710 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/GetQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/GetQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/IndexBoost.java b/src/main/java/org/springframework/data/elasticsearch/core/query/IndexBoost.java
index fd2e0c3a4..a1b529ec9 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/IndexBoost.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/IndexBoost.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/IndexQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/IndexQuery.java
index 69a0b9119..8981d4178 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/IndexQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/IndexQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/IndexQueryBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/query/IndexQueryBuilder.java
index 1e82a2a6b..13559789e 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/IndexQueryBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/IndexQueryBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/MoreLikeThisQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/MoreLikeThisQuery.java
index 610e3171c..88c3abeb4 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/MoreLikeThisQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/MoreLikeThisQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQuery.java
index a54b80111..b500f9707 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java
index 4326fb441..ed799f10d 100755
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/Query.java b/src/main/java/org/springframework/data/elasticsearch/core/query/Query.java
index 27d2aeae7..173edf94d 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/Query.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/Query.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/SearchQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/SearchQuery.java
index 2e6487760..58c514a40 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/SearchQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/SearchQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/SimpleField.java b/src/main/java/org/springframework/data/elasticsearch/core/query/SimpleField.java
index c4bf75960..cded72c00 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/SimpleField.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/SimpleField.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,4 +38,4 @@ public class SimpleField implements Field {
 	public String toString() {
 		return this.name;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/SourceFilter.java b/src/main/java/org/springframework/data/elasticsearch/core/query/SourceFilter.java
index 7b232db59..d8da44dde 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/SourceFilter.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/SourceFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/StringQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/StringQuery.java
index 5ad650750..ed0872779 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/StringQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/StringQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/UpdateQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/UpdateQuery.java
index e6e79bd8e..8044ae11e 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/UpdateQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/UpdateQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/UpdateQueryBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/query/UpdateQueryBuilder.java
index f68ac21bf..aa89b71aa 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/UpdateQueryBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/UpdateQueryBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchCrudRepository.java b/src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchCrudRepository.java
index cd74a985f..85399c198 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchCrudRepository.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchCrudRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchRepository.java b/src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchRepository.java
index a349058a6..40cd74764 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchRepository.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/cdi/ElasticsearchRepositoryBean.java b/src/main/java/org/springframework/data/elasticsearch/repository/cdi/ElasticsearchRepositoryBean.java
index 770dff2e8..ec255989c 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/cdi/ElasticsearchRepositoryBean.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/cdi/ElasticsearchRepositoryBean.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/cdi/ElasticsearchRepositoryExtension.java b/src/main/java/org/springframework/data/elasticsearch/repository/cdi/ElasticsearchRepositoryExtension.java
index aaf37dbe2..ac819716d 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/cdi/ElasticsearchRepositoryExtension.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/cdi/ElasticsearchRepositoryExtension.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/config/ElasticsearchRepositoriesRegistrar.java b/src/main/java/org/springframework/data/elasticsearch/repository/config/ElasticsearchRepositoriesRegistrar.java
index 1ff41a654..49bdd39ce 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/config/ElasticsearchRepositoriesRegistrar.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/config/ElasticsearchRepositoriesRegistrar.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/config/ElasticsearchRepositoryConfigExtension.java b/src/main/java/org/springframework/data/elasticsearch/repository/config/ElasticsearchRepositoryConfigExtension.java
index ea6baebd4..824f20a9a 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/config/ElasticsearchRepositoryConfigExtension.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/config/ElasticsearchRepositoryConfigExtension.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/config/EnableElasticsearchRepositories.java b/src/main/java/org/springframework/data/elasticsearch/repository/config/EnableElasticsearchRepositories.java
index 9974401bc..651d05ec7 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/config/EnableElasticsearchRepositories.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/config/EnableElasticsearchRepositories.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/query/AbstractElasticsearchRepositoryQuery.java b/src/main/java/org/springframework/data/elasticsearch/repository/query/AbstractElasticsearchRepositoryQuery.java
index 5f9a9b54c..ca95b93e2 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/query/AbstractElasticsearchRepositoryQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/query/AbstractElasticsearchRepositoryQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchPartQuery.java b/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchPartQuery.java
index b4123d94d..bef93f43f 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchPartQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchPartQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchQueryMethod.java b/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchQueryMethod.java
index 0aa6ba0d1..22a973751 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchQueryMethod.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchQueryMethod.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchStringQuery.java b/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchStringQuery.java
index c7555ae84..8dcbfb2cf 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchStringQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchStringQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/query/parser/ElasticsearchQueryCreator.java b/src/main/java/org/springframework/data/elasticsearch/repository/query/parser/ElasticsearchQueryCreator.java
index 65616df87..5f6191df8 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/query/parser/ElasticsearchQueryCreator.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/query/parser/ElasticsearchQueryCreator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/AbstractElasticsearchRepository.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/AbstractElasticsearchRepository.java
index 92d0ae0c5..8bc6f4a6d 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/AbstractElasticsearchRepository.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/AbstractElasticsearchRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformation.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformation.java
index c30ee73df..8b19dc98f 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformation.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformation.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreator.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreator.java
index 6bdc78b24..22899b0f5 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreator.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreatorImpl.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreatorImpl.java
index 46421e0ed..d91a354af 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreatorImpl.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreatorImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactory.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactory.java
index f1fe5bf33..0fcd1a729 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactory.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactoryBean.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactoryBean.java
index 991c263b6..515c7766d 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactoryBean.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactoryBean.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/MappingElasticsearchEntityInformation.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/MappingElasticsearchEntityInformation.java
index b1e82b08b..bde63ca39 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/MappingElasticsearchEntityInformation.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/MappingElasticsearchEntityInformation.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/NumberKeyedRepository.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/NumberKeyedRepository.java
index a386f5660..8a8ff6685 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/NumberKeyedRepository.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/NumberKeyedRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/SimpleElasticsearchRepository.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/SimpleElasticsearchRepository.java
index 25472b605..f1378b0f0 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/SimpleElasticsearchRepository.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/SimpleElasticsearchRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/java/org/springframework/data/elasticsearch/repository/support/UUIDElasticsearchRepository.java b/src/main/java/org/springframework/data/elasticsearch/repository/support/UUIDElasticsearchRepository.java
index ee08dd970..b91505765 100644
--- a/src/main/java/org/springframework/data/elasticsearch/repository/support/UUIDElasticsearchRepository.java
+++ b/src/main/java/org/springframework/data/elasticsearch/repository/support/UUIDElasticsearchRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/resources/notice.txt b/src/main/resources/notice.txt
index b105ac579..980fa02fb 100644
--- a/src/main/resources/notice.txt
+++ b/src/main/resources/notice.txt
@@ -1,5 +1,5 @@
 Spring Data Elasticsearch 3.1.3
-Copyright (c) [2013-2016] Pivotal Software, Inc.
+Copyright (c) [2013-2019] Pivotal Software, Inc.
 
 This product is licensed to you under the Apache License, Version 2.0 (the "License").
 You may not use this product except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/InnerObjectTests.java b/src/test/java/org/springframework/data/elasticsearch/InnerObjectTests.java
index 024059eeb..bd1b4c6ef 100644
--- a/src/test/java/org/springframework/data/elasticsearch/InnerObjectTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/InnerObjectTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/NestedObjectTests.java b/src/test/java/org/springframework/data/elasticsearch/NestedObjectTests.java
index 066178c84..0c41ba768 100644
--- a/src/test/java/org/springframework/data/elasticsearch/NestedObjectTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/NestedObjectTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/NonDocumentEntityTests.java b/src/test/java/org/springframework/data/elasticsearch/NonDocumentEntityTests.java
index e1ce1bdf5..12d1e52f3 100644
--- a/src/test/java/org/springframework/data/elasticsearch/NonDocumentEntityTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/NonDocumentEntityTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/SpELEntityTests.java b/src/test/java/org/springframework/data/elasticsearch/SpELEntityTests.java
index 7968b0c55..25fb2ddc3 100644
--- a/src/test/java/org/springframework/data/elasticsearch/SpELEntityTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/SpELEntityTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/Utils.java b/src/test/java/org/springframework/data/elasticsearch/Utils.java
index a11a2a3d6..cab46a82a 100644
--- a/src/test/java/org/springframework/data/elasticsearch/Utils.java
+++ b/src/test/java/org/springframework/data/elasticsearch/Utils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 the original author or authors.
+ * Copyright 2015-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/builder/SampleInheritedEntityBuilder.java b/src/test/java/org/springframework/data/elasticsearch/builder/SampleInheritedEntityBuilder.java
index e36672ffc..68cae4733 100644
--- a/src/test/java/org/springframework/data/elasticsearch/builder/SampleInheritedEntityBuilder.java
+++ b/src/test/java/org/springframework/data/elasticsearch/builder/SampleInheritedEntityBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/client/ClusterNodesUnitTests.java b/src/test/java/org/springframework/data/elasticsearch/client/ClusterNodesUnitTests.java
index 6159516c5..877c5a279 100644
--- a/src/test/java/org/springframework/data/elasticsearch/client/ClusterNodesUnitTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/client/ClusterNodesUnitTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 the original author or authors.
+ * Copyright 2018-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandlerTests.java b/src/test/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandlerTests.java
index ac9e1834d..090c18b46 100644
--- a/src/test/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandlerTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandlerTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/config/EnableNestedElasticsearchRepositoriesTests.java b/src/test/java/org/springframework/data/elasticsearch/config/EnableNestedElasticsearchRepositoriesTests.java
index d611e8891..840238ea2 100644
--- a/src/test/java/org/springframework/data/elasticsearch/config/EnableNestedElasticsearchRepositoriesTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/config/EnableNestedElasticsearchRepositoriesTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 the original author or authors.
+ * Copyright 2015-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/AliasTests.java b/src/test/java/org/springframework/data/elasticsearch/core/AliasTests.java
index d866ddee8..f59788c18 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/AliasTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/AliasTests.java
@@ -1,5 +1,5 @@
 /*
-* Copyright 2014-2017 the original author or authors.
+* Copyright 2014-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/CustomEntityMapper.java b/src/test/java/org/springframework/data/elasticsearch/core/CustomEntityMapper.java
index 45c108cf1..4cd6390ba 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/CustomEntityMapper.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/CustomEntityMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/CustomResultMapper.java b/src/test/java/org/springframework/data/elasticsearch/core/CustomResultMapper.java
index 5b86cdfe7..5417843b6 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/CustomResultMapper.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/CustomResultMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/DefaultEntityMapperTests.java b/src/test/java/org/springframework/data/elasticsearch/core/DefaultEntityMapperTests.java
index b07cb1eb4..bf2484247 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/DefaultEntityMapperTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/DefaultEntityMapperTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/DefaultResultMapperTests.java b/src/test/java/org/springframework/data/elasticsearch/core/DefaultResultMapperTests.java
index 27acb2dc3..388167162 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/DefaultResultMapperTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/DefaultResultMapperTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateCustomMapperTests.java b/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateCustomMapperTests.java
index dc2692637..65d2a0d60 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateCustomMapperTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateCustomMapperTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateParentChildTests.java b/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateParentChildTests.java
index 71d0eab52..5354280fd 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateParentChildTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateParentChildTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateTests.java b/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateTests.java
index 45c89253c..a607c2394 100755
--- a/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/LogEntityTests.java b/src/test/java/org/springframework/data/elasticsearch/core/LogEntityTests.java
index ae110ad38..4c76a9361 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/LogEntityTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/LogEntityTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/MappingBuilderTests.java b/src/test/java/org/springframework/data/elasticsearch/core/MappingBuilderTests.java
index 637827c17..d07a5084d 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/MappingBuilderTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/MappingBuilderTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/SimpleElasticsearchDateMappingTests.java b/src/test/java/org/springframework/data/elasticsearch/core/SimpleElasticsearchDateMappingTests.java
index 7ea2d1311..5aeb8bb45 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/SimpleElasticsearchDateMappingTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/SimpleElasticsearchDateMappingTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/aggregation/AggregatedPageImplTest.java b/src/test/java/org/springframework/data/elasticsearch/core/aggregation/AggregatedPageImplTest.java
index 9c9d12045..e66513d70 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/aggregation/AggregatedPageImplTest.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/aggregation/AggregatedPageImplTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/aggregation/ElasticsearchTemplateAggregationTests.java b/src/test/java/org/springframework/data/elasticsearch/core/aggregation/ElasticsearchTemplateAggregationTests.java
index 6cace5395..86bd3c624 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/aggregation/ElasticsearchTemplateAggregationTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/aggregation/ElasticsearchTemplateAggregationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/completion/AnnotatedCompletionEntityBuilder.java b/src/test/java/org/springframework/data/elasticsearch/core/completion/AnnotatedCompletionEntityBuilder.java
index ed6217149..348542f8e 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/completion/AnnotatedCompletionEntityBuilder.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/completion/AnnotatedCompletionEntityBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/completion/CompletionEntityAnnotatedBuilder.java b/src/test/java/org/springframework/data/elasticsearch/core/completion/CompletionEntityAnnotatedBuilder.java
index f075c32cf..b9ec41746 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/completion/CompletionEntityAnnotatedBuilder.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/completion/CompletionEntityAnnotatedBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/completion/CompletionEntityBuilder.java b/src/test/java/org/springframework/data/elasticsearch/core/completion/CompletionEntityBuilder.java
index 9d0db0951..584f01ed0 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/completion/CompletionEntityBuilder.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/completion/CompletionEntityBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/completion/ElasticsearchTemplateCompletionTests.java b/src/test/java/org/springframework/data/elasticsearch/core/completion/ElasticsearchTemplateCompletionTests.java
index b83d52b52..326db56d4 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/completion/ElasticsearchTemplateCompletionTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/completion/ElasticsearchTemplateCompletionTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/convert/DateTimeConvertersTests.java b/src/test/java/org/springframework/data/elasticsearch/core/convert/DateTimeConvertersTests.java
index 5c53b3e1e..f7cdf82f4 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/convert/DateTimeConvertersTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/convert/DateTimeConvertersTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverterTests.java b/src/test/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverterTests.java
index f0f76988e..a304c4245 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverterTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverterTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/facet/ArticleEntity.java b/src/test/java/org/springframework/data/elasticsearch/core/facet/ArticleEntity.java
index 5a64c1ebe..1181f5266 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/facet/ArticleEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/facet/ArticleEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/facet/ArticleEntityBuilder.java b/src/test/java/org/springframework/data/elasticsearch/core/facet/ArticleEntityBuilder.java
index 65d00f72a..53896fac7 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/facet/ArticleEntityBuilder.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/facet/ArticleEntityBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/facet/ElasticsearchTemplateFacetTests.java b/src/test/java/org/springframework/data/elasticsearch/core/facet/ElasticsearchTemplateFacetTests.java
index c398e979b..24e2c8405 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/facet/ElasticsearchTemplateFacetTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/facet/ElasticsearchTemplateFacetTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/facet/LogEntity.java b/src/test/java/org/springframework/data/elasticsearch/core/facet/LogEntity.java
index fe5845692..82afddaba 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/facet/LogEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/facet/LogEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/facet/LogEntityBuilder.java b/src/test/java/org/springframework/data/elasticsearch/core/facet/LogEntityBuilder.java
index 65032e4dc..dde6c0bcb 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/facet/LogEntityBuilder.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/facet/LogEntityBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/geo/AuthorMarkerEntity.java b/src/test/java/org/springframework/data/elasticsearch/core/geo/AuthorMarkerEntity.java
index 82be3b62e..0cdd50574 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/geo/AuthorMarkerEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/geo/AuthorMarkerEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/geo/AuthorMarkerEntityBuilder.java b/src/test/java/org/springframework/data/elasticsearch/core/geo/AuthorMarkerEntityBuilder.java
index 209e5e5a2..d38776f8a 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/geo/AuthorMarkerEntityBuilder.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/geo/AuthorMarkerEntityBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/geo/ElasticsearchTemplateGeoTests.java b/src/test/java/org/springframework/data/elasticsearch/core/geo/ElasticsearchTemplateGeoTests.java
index 97c860258..94332dcac 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/geo/ElasticsearchTemplateGeoTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/geo/ElasticsearchTemplateGeoTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/geo/LocationMarkerEntity.java b/src/test/java/org/springframework/data/elasticsearch/core/geo/LocationMarkerEntity.java
index 2d53a3123..3bf8bafd1 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/geo/LocationMarkerEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/geo/LocationMarkerEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntityTests.java b/src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntityTests.java
index 72a0e3bed..7e1143bba 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntityTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntityTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2018 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentPropertyUnitTests.java b/src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentPropertyUnitTests.java
index d79274926..5ef149919 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentPropertyUnitTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentPropertyUnitTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 the original author or authors.
+ * Copyright 2018-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/core/query/CriteriaQueryTests.java b/src/test/java/org/springframework/data/elasticsearch/core/query/CriteriaQueryTests.java
index 319973d34..cff106843 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/query/CriteriaQueryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/query/CriteriaQueryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/AbstractInheritedEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/AbstractInheritedEntity.java
index a11d33a8e..8407e5893 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/AbstractInheritedEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/AbstractInheritedEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/Author.java b/src/test/java/org/springframework/data/elasticsearch/entities/Author.java
index 5507385e5..bbecfa16c 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/Author.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/Author.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/Book.java b/src/test/java/org/springframework/data/elasticsearch/entities/Book.java
index 43d4ab20d..263049cef 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/Book.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/Book.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/Car.java b/src/test/java/org/springframework/data/elasticsearch/entities/Car.java
index 9a8d82cec..466dc45ec 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/Car.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/Car.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/CopyToEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/CopyToEntity.java
index d11551ec8..21c7af317 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/CopyToEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/CopyToEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 the original author or authors.
+ * Copyright 2018-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/DoubleIDEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/DoubleIDEntity.java
index 09b477ace..c78d77d9e 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/DoubleIDEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/DoubleIDEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/DynamicSettingAndMappingEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/DynamicSettingAndMappingEntity.java
index 6778eb543..6139c060e 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/DynamicSettingAndMappingEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/DynamicSettingAndMappingEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/FieldDynamicMappingEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/FieldDynamicMappingEntity.java
index 53400b420..5a97b72a2 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/FieldDynamicMappingEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/FieldDynamicMappingEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/GirlFriend.java b/src/test/java/org/springframework/data/elasticsearch/entities/GirlFriend.java
index 9613678ca..a2ac1bb97 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/GirlFriend.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/GirlFriend.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/Group.java b/src/test/java/org/springframework/data/elasticsearch/entities/Group.java
index 148048e8a..2e1bc6d48 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/Group.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/Group.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/HetroEntity1.java b/src/test/java/org/springframework/data/elasticsearch/entities/HetroEntity1.java
index ea16d0722..aaeccbca7 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/HetroEntity1.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/HetroEntity1.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/HetroEntity2.java b/src/test/java/org/springframework/data/elasticsearch/entities/HetroEntity2.java
index 9b4eea1ba..34497db40 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/HetroEntity2.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/HetroEntity2.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/IntegerIDEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/IntegerIDEntity.java
index 4dabee8f1..f1faabc7b 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/IntegerIDEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/IntegerIDEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/MinimalEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/MinimalEntity.java
index ab4884d14..4a34b14f2 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/MinimalEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/MinimalEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/NonDocumentEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/NonDocumentEntity.java
index 7391fb8fb..5cd5ccf0c 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/NonDocumentEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/NonDocumentEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/NormalizerEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/NormalizerEntity.java
index 9cf75c074..322730230 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/NormalizerEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/NormalizerEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 the original author or authors.
+ * Copyright 2018-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/ParentEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/ParentEntity.java
index e02e2b384..d54aaa959 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/ParentEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/ParentEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/Person.java b/src/test/java/org/springframework/data/elasticsearch/entities/Person.java
index 6bfa325dd..b39f4cc47 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/Person.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/Person.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/PersonMultipleLevelNested.java b/src/test/java/org/springframework/data/elasticsearch/entities/PersonMultipleLevelNested.java
index c37b88e6f..7d7ee13a2 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/PersonMultipleLevelNested.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/PersonMultipleLevelNested.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/Product.java b/src/test/java/org/springframework/data/elasticsearch/entities/Product.java
index 352a4038e..219332df8 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/Product.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/Product.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/SampleEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/SampleEntity.java
index 344735f06..2c5042d8f 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/SampleEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/SampleEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/SampleEntityUUIDKeyed.java b/src/test/java/org/springframework/data/elasticsearch/entities/SampleEntityUUIDKeyed.java
index d88f909b9..fd6c4ce16 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/SampleEntityUUIDKeyed.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/SampleEntityUUIDKeyed.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/SampleInheritedEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/SampleInheritedEntity.java
index 08400dede..f351da615 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/SampleInheritedEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/SampleInheritedEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/SampleMappingEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/SampleMappingEntity.java
index d66245664..b50aa1e2e 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/SampleMappingEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/SampleMappingEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/SampleTransientEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/SampleTransientEntity.java
index 7dc73908c..495c90e04 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/SampleTransientEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/SampleTransientEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/SimpleRecursiveEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/SimpleRecursiveEntity.java
index e0f9d314e..94202b165 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/SimpleRecursiveEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/SimpleRecursiveEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/SpELEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/SpELEntity.java
index b423727ad..b03e38425 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/SpELEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/SpELEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/StockPrice.java b/src/test/java/org/springframework/data/elasticsearch/entities/StockPrice.java
index b1ce59267..5ea740641 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/StockPrice.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/StockPrice.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/SynonymEntity.java b/src/test/java/org/springframework/data/elasticsearch/entities/SynonymEntity.java
index 684d29c51..cb8ced45b 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/SynonymEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/SynonymEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/entities/User.java b/src/test/java/org/springframework/data/elasticsearch/entities/User.java
index 9d3ba3868..c35e3f088 100644
--- a/src/test/java/org/springframework/data/elasticsearch/entities/User.java
+++ b/src/test/java/org/springframework/data/elasticsearch/entities/User.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableElasticsearchRepository.java b/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableElasticsearchRepository.java
index 41f39be1c..9b00e08f1 100644
--- a/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableElasticsearchRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableElasticsearchRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableElasticsearchRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableElasticsearchRepositoryTests.java
index 94e58e003..ec7b2a5dd 100644
--- a/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableElasticsearchRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableElasticsearchRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2017 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableEntity.java b/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableEntity.java
index f066c3ecf..3e159a5ae 100644
--- a/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableEntity.java
+++ b/src/test/java/org/springframework/data/elasticsearch/immutable/ImmutableEntity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/CustomMethodRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repositories/CustomMethodRepositoryTests.java
index d890b4a05..b1706a5c1 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/CustomMethodRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/CustomMethodRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/book/SampleElasticSearchBookRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/book/SampleElasticSearchBookRepository.java
index eb5b6f810..63844fbaa 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/book/SampleElasticSearchBookRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/book/SampleElasticSearchBookRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiProductRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiProductRepository.java
index d7c6108c2..c6ba54f9e 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiProductRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiProductRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiRepositoryClient.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiRepositoryClient.java
index 72b997078..c2ca68006 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiRepositoryClient.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiRepositoryClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiRepositoryTests.java
index afb5eb646..7e7fcee2f 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/CdiRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/ElasticsearchTemplateProducer.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/ElasticsearchTemplateProducer.java
index a2dc536cc..58fa37355 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/ElasticsearchTemplateProducer.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/ElasticsearchTemplateProducer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2015 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/OtherQualifier.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/OtherQualifier.java
index 04e2b10f7..f328ae41f 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/OtherQualifier.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/OtherQualifier.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/PersonDB.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/PersonDB.java
index a0c320e89..3e81d45b8 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/PersonDB.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/PersonDB.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/QualifiedProductRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/QualifiedProductRepository.java
index 47aca7976..54688f809 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/QualifiedProductRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/QualifiedProductRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepository.java
index 0d9c67b7b..21576ccbc 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepositoryCustom.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepositoryCustom.java
index 8c8058203..c730c7661 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepositoryCustom.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepositoryCustom.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepositoryImpl.java b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepositoryImpl.java
index a2ae819c9..dfa5b81ef 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepositoryImpl.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/cdi/SamplePersonRepositoryImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/custom/SampleCustomMethodRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/custom/SampleCustomMethodRepository.java
index 47ebfe703..2e9f5aee6 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/custom/SampleCustomMethodRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/custom/SampleCustomMethodRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/doubleid/DoubleIDRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/doubleid/DoubleIDRepository.java
index 2fca7ddbd..df0dcf377 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/doubleid/DoubleIDRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/doubleid/DoubleIDRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/geo/SpringDataGeoRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repositories/geo/SpringDataGeoRepositoryTests.java
index cf6ac116b..9f7cfaa09 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/geo/SpringDataGeoRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/geo/SpringDataGeoRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2017 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/integer/IntegerIDRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/integer/IntegerIDRepository.java
index e871674eb..b1c4add39 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/integer/IntegerIDRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/integer/IntegerIDRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/nondocument/NonDocumentEntityRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/nondocument/NonDocumentEntityRepository.java
index 998e3786c..7ab0e8610 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/nondocument/NonDocumentEntityRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/nondocument/NonDocumentEntityRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/sample/SampleElasticsearchRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/sample/SampleElasticsearchRepository.java
index 420a7b581..777ad98a2 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/sample/SampleElasticsearchRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/sample/SampleElasticsearchRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/sample/SampleUUIDKeyedElasticsearchRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/sample/SampleUUIDKeyedElasticsearchRepository.java
index cafa84406..387ecf270 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/sample/SampleUUIDKeyedElasticsearchRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/sample/SampleUUIDKeyedElasticsearchRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/setting/DynamicSettingAndMappingEntityRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/setting/DynamicSettingAndMappingEntityRepository.java
index 778627642..29f482882 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/setting/DynamicSettingAndMappingEntityRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/setting/DynamicSettingAndMappingEntityRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/setting/DynamicSettingAndMappingEntityRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repositories/setting/DynamicSettingAndMappingEntityRepositoryTests.java
index 0afbbe7cf..6dcb58af2 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/setting/DynamicSettingAndMappingEntityRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/setting/DynamicSettingAndMappingEntityRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/setting/FieldDynamicMappingEntityRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/setting/FieldDynamicMappingEntityRepository.java
index 27a3939dd..8a4123f2a 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/setting/FieldDynamicMappingEntityRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/setting/FieldDynamicMappingEntityRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/setting/FieldDynamicMappingEntityRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repositories/setting/FieldDynamicMappingEntityRepositoryTests.java
index 36b8162ec..261b08174 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/setting/FieldDynamicMappingEntityRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/setting/FieldDynamicMappingEntityRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/spel/SpELRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/spel/SpELRepository.java
index 69d6cb9ef..43424b929 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/spel/SpELRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/spel/SpELRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/synonym/SynonymRepository.java b/src/test/java/org/springframework/data/elasticsearch/repositories/synonym/SynonymRepository.java
index 8be19e09e..54bce822b 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/synonym/SynonymRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/synonym/SynonymRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repositories/synonym/SynonymRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repositories/synonym/SynonymRepositoryTests.java
index 9ff9b72c2..8b6d99d29 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repositories/synonym/SynonymRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repositories/synonym/SynonymRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexCustomMethodRepositoryManualWiringTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexCustomMethodRepositoryManualWiringTests.java
index 30d8d48ec..3a653543d 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexCustomMethodRepositoryManualWiringTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexCustomMethodRepositoryManualWiringTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexCustomMethodRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexCustomMethodRepositoryTests.java
index d1abb74d3..bdc5d45a6 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexCustomMethodRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexCustomMethodRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepository.java b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepository.java
index 2e4d2df0c..88ef57bf8 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepository.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryCustom.java b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryCustom.java
index 4c7f47a80..becb69721 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryCustom.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryCustom.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryManualWiring.java b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryManualWiring.java
index 9bbe8ae68..7b8b7e04c 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryManualWiring.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryManualWiring.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryManualWiringImpl.java b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryManualWiringImpl.java
index 5ac910472..2a0e0de14 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryManualWiringImpl.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/complex/ComplexElasticsearchRepositoryManualWiringImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/support/DoubleIDRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/support/DoubleIDRepositoryTests.java
index ee18d4ac1..23ca5a288 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/support/DoubleIDRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/support/DoubleIDRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreatorImplTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreatorImplTests.java
index f35fc634f..f1ea413e0 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreatorImplTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchEntityInformationCreatorImplTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2017 the original author or authors.
+ * Copyright 2014-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactoryTests.java
index c4f2fb0a6..9a0b8cc40 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/support/ElasticsearchRepositoryFactoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/support/IntegerIDRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/support/IntegerIDRepositoryTests.java
index 8b59b4899..bb6b87c36 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/support/IntegerIDRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/support/IntegerIDRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/support/QueryKeywordsTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/support/QueryKeywordsTests.java
index 25eeb7c78..0367b791e 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/support/QueryKeywordsTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/support/QueryKeywordsTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2017 the original author or authors.
+ * Copyright 2016-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/support/SimpleElasticsearchRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/support/SimpleElasticsearchRepositoryTests.java
index 4741711f5..1162455e9 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/support/SimpleElasticsearchRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/support/SimpleElasticsearchRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/java/org/springframework/data/elasticsearch/repository/support/UUIDElasticsearchRepositoryTests.java b/src/test/java/org/springframework/data/elasticsearch/repository/support/UUIDElasticsearchRepositoryTests.java
index a2c077d77..3d526be11 100644
--- a/src/test/java/org/springframework/data/elasticsearch/repository/support/UUIDElasticsearchRepositoryTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/repository/support/UUIDElasticsearchRepositoryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.