diff --git a/pom.xml b/pom.xml
index a00fad7d2de..f4a001a7351 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
     </parent>
 
     <properties>
-        <elasticsearch.version>0.19.0</elasticsearch.version>
+        <elasticsearch.version>0.20.1</elasticsearch.version>
     </properties>
 
     <repositories>
diff --git a/src/test/java/org/elasticsearch/index/mapper/xcontent/SimpleAttachmentMapperTests.java b/src/test/java/org/elasticsearch/index/mapper/xcontent/SimpleAttachmentMapperTests.java
index c86296a0ec7..6d2e85b4971 100644
--- a/src/test/java/org/elasticsearch/index/mapper/xcontent/SimpleAttachmentMapperTests.java
+++ b/src/test/java/org/elasticsearch/index/mapper/xcontent/SimpleAttachmentMapperTests.java
@@ -20,6 +20,7 @@
 package org.elasticsearch.index.mapper.xcontent;
 
 import org.apache.lucene.document.Document;
+import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.index.Index;
 import org.elasticsearch.index.analysis.AnalysisService;
 import org.elasticsearch.index.mapper.DocumentMapper;
@@ -55,7 +56,7 @@ public class SimpleAttachmentMapperTests {
         DocumentMapper docMapper = mapperParser.parse(mapping);
         byte[] html = copyToBytesFromClasspath("/org/elasticsearch/index/mapper/xcontent/testXHTML.html");
 
-        byte[] json = jsonBuilder().startObject().field("_id", 1).field("file", html).endObject().copiedBytes();
+        BytesReference json = jsonBuilder().startObject().field("_id", 1).field("file", html).endObject().bytes();
 
         Document doc = docMapper.parse(json).rootDoc();
 
@@ -67,7 +68,7 @@ public class SimpleAttachmentMapperTests {
         String builtMapping = docMapper.mappingSource().string();
         docMapper = mapperParser.parse(builtMapping);
 
-        json = jsonBuilder().startObject().field("_id", 1).field("file", html).endObject().copiedBytes();
+        json = jsonBuilder().startObject().field("_id", 1).field("file", html).endObject().bytes();
 
         doc = docMapper.parse(json).rootDoc();