diff --git a/plugin.xml b/plugin.xml
index 6d85cf460..70fd5e686 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -19,8 +19,8 @@
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="analysis-fess" />
-			<param name="plugin.version" value="5.2.0" />
-			<param name="plugin.zip.version" value="5.2.0" />
+			<param name="plugin.version" value="5.2.1" />
+			<param name="plugin.zip.version" value="5.2.1" />
 		</antcall>
 		<!-- analysis-ja -->
 		<antcall target="install.plugin">
@@ -28,8 +28,8 @@
 			<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="5.2.0" />
-			<param name="plugin.zip.version" value="5.2.0" />
+			<param name="plugin.version" value="5.2.1" />
+			<param name="plugin.zip.version" value="5.2.1" />
 		</antcall>
 		<!-- analysis-synonym -->
 		<antcall target="install.plugin">
@@ -37,8 +37,8 @@
 			<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="5.2.0" />
-			<param name="plugin.zip.version" value="5.2.0" />
+			<param name="plugin.version" value="5.2.1" />
+			<param name="plugin.zip.version" value="5.2.1" />
 		</antcall>
 		<!-- configsync -->
 		<antcall target="install.plugin">
@@ -55,8 +55,8 @@
 			<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="5.2.0" />
-			<param name="plugin.zip.version" value="5.2.0" />
+			<param name="plugin.version" value="5.2.1" />
+			<param name="plugin.zip.version" value="5.2.1" />
 		</antcall>
 		<!-- langfield -->
 		<antcall target="install.plugin">
@@ -64,8 +64,8 @@
 			<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="5.2.0" />
-			<param name="plugin.zip.version" value="5.2.0" />
+			<param name="plugin.version" value="5.2.1" />
+			<param name="plugin.zip.version" value="5.2.1" />
 		</antcall>
 		<!-- kopf -->
 		<get dest="${target.dir}/kopf.zip">
diff --git a/pom.xml b/pom.xml
index f5331d060..44323baca 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,15 +57,15 @@
 		<utflute.version>0.6.6</utflute.version>
 
 		<!-- Crawler -->
-		<crawler.version>1.1.0</crawler.version>
+		<crawler.version>1.2.0-SNAPSHOT</crawler.version>
 
 		<!-- Suggest -->
-		<suggest.version>5.2.0</suggest.version>
+		<suggest.version>5.2.1-SNAPSHOT</suggest.version>
 
 		<!-- Elasticsearch -->
-		<elasticsearch.version>5.2.0</elasticsearch.version>
+		<elasticsearch.version>5.2.1</elasticsearch.version>
 		<elasticsearch.min.version>5.1.0</elasticsearch.min.version>
-		<cluster.runner.version>5.2.0.1</cluster.runner.version>
+		<cluster.runner.version>5.2.1.0</cluster.runner.version>
 
 		<!-- Tomcat -->
 		<tomcat.version>8.5.11</tomcat.version>