diff --git a/plugin.xml b/plugin.xml
index 55f613f25..a8afd02a6 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -17,8 +17,8 @@
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="analysis-kuromoji-neologd" />
-			<param name="plugin.version" value="2.2.0" />
-			<param name="plugin.zip.version" value="2.2.0" />
+			<param name="plugin.version" value="2.3.0" />
+			<param name="plugin.zip.version" value="2.3.0" />
 		</antcall>
 		<!-- analysis-ja -->
 		<antcall target="install.plugin">
@@ -26,8 +26,8 @@
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="analysis-ja" />
-			<param name="plugin.version" value="2.2.1" />
-			<param name="plugin.zip.version" value="2.2.1" />
+			<param name="plugin.version" value="2.3.0" />
+			<param name="plugin.zip.version" value="2.3.0" />
 		</antcall>
 		<!-- analysis-synonym -->
 		<antcall target="install.plugin">
@@ -35,8 +35,8 @@
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="analysis-synonym" />
-			<param name="plugin.version" value="2.2.0" />
-			<param name="plugin.zip.version" value="2.2.0" />
+			<param name="plugin.version" value="2.3.0" />
+			<param name="plugin.zip.version" value="2.3.0" />
 		</antcall>
 		<!-- configsync -->
 		<antcall target="install.plugin">
@@ -44,8 +44,8 @@
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="configsync" />
-			<param name="plugin.version" value="2.2.0" />
-			<param name="plugin.zip.version" value="2.2.0" />
+			<param name="plugin.version" value="2.3.0" />
+			<param name="plugin.zip.version" value="2.3.0" />
 		</antcall>
 		<!-- dataformat -->
 		<antcall target="install.plugin">
@@ -53,8 +53,8 @@
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="dataformat" />
-			<param name="plugin.version" value="2.2.0" />
-			<param name="plugin.zip.version" value="2.2.0" />
+			<param name="plugin.version" value="2.3.0" />
+			<param name="plugin.zip.version" value="2.3.0" />
 		</antcall>
 		<!-- groovy -->
 		<antcall target="install.plugin">
@@ -62,8 +62,8 @@
 			<param name="plugin.groupId" value="org/elasticsearch/module" />
 			<param name="plugin.name.prefix" value="" />
 			<param name="plugin.name" value="lang-groovy" />
-			<param name="plugin.version" value="2.2.2" />
-			<param name="plugin.zip.version" value="2.2.2" />
+			<param name="plugin.version" value="2.3.1" />
+			<param name="plugin.zip.version" value="2.3.1" />
 		</antcall>
 		<!-- langfield -->
 		<antcall target="install.plugin">
@@ -71,8 +71,8 @@
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="langfield" />
-			<param name="plugin.version" value="2.2.0" />
-			<param name="plugin.zip.version" value="2.2.0" />
+			<param name="plugin.version" value="2.3.0" />
+			<param name="plugin.zip.version" value="2.3.0" />
 		</antcall>
 		<!-- kopf -->
 		<get dest="${target.dir}">
diff --git a/pom.xml b/pom.xml
index 8507a4e7b..41822800c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -65,7 +65,7 @@
 		<suggest.version>2.1.4-SNAPSHOT</suggest.version>
 
 		<!-- Elasticsearch -->
-		<elasticsearch.version>2.2.2</elasticsearch.version>
+		<elasticsearch.version>2.3.1</elasticsearch.version>
 		<cluster.runner.version>2.2.1.0-SNAPSHOT</cluster.runner.version>
 
 		<!-- Tomcat -->