diff --git a/pom.xml b/pom.xml
index a5caf99edbe..469b5f1954f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,8 +33,8 @@
 
     <properties>
         <elasticsearch.version>2.0.0-SNAPSHOT</elasticsearch.version>
-        <lucene.version>4.10.2</lucene.version>
-        <lucene.maven.version>4.10.2</lucene.maven.version>
+        <lucene.version>5.0.0</lucene.version>
+        <lucene.maven.version>5.0.0-snapshot-1636426</lucene.maven.version>
         <tests.jvms>1</tests.jvms>
         <tests.shuffle>true</tests.shuffle>
         <tests.output>onerror</tests.output>
@@ -47,6 +47,10 @@
             <id>sonatype</id>
             <url>http://oss.sonatype.org/content/repositories/releases/</url>
         </repository>
+        <repository>
+            <id>Lucene snapshots</id>
+            <url>https://download.elasticsearch.org/lucenesnapshots/maven/</url>
+        </repository>
     </repositories>
 
     <dependencies>
diff --git a/src/main/java/org/elasticsearch/script/javascript/JavaScriptScriptEngineService.java b/src/main/java/org/elasticsearch/script/javascript/JavaScriptScriptEngineService.java
index 344b60ef2cc..efabd5fcca7 100644
--- a/src/main/java/org/elasticsearch/script/javascript/JavaScriptScriptEngineService.java
+++ b/src/main/java/org/elasticsearch/script/javascript/JavaScriptScriptEngineService.java
@@ -19,7 +19,7 @@
 
 package org.elasticsearch.script.javascript;
 
-import org.apache.lucene.index.AtomicReaderContext;
+import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.search.Scorer;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.component.AbstractComponent;
@@ -230,7 +230,7 @@ public class JavaScriptScriptEngineService extends AbstractComponent implements
         }
 
         @Override
-        public void setNextReader(AtomicReaderContext context) {
+        public void setNextReader(LeafReaderContext context) {
             lookup.setNextReader(context);
         }