diff --git a/README.md b/README.md
index 5e25140..9a1268d 100755
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ you can download this plugin from RTF project(https://github.com/medcl/elasticse
     --------------------------------------------------
     | STConvert  Analysis Plugin    | Elasticsearch   |
     --------------------------------------------------
-    | 1.9.0                        | 2.4.0            |
+    | 1.9.1                        | 2.4.1            |
     --------------------------------------------------
     | 1.8.5                        | 2.3.5            |
     --------------------------------------------------
diff --git a/pom.xml b/pom.xml
index fe445e5..7c4855f 100755
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.infinitbyte</groupId>
     <artifactId>elasticsearch-analysis-stconvert</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1</version>
     <packaging>jar</packaging>
     <url>http://log.medcl.net</url>
     <description>stconvert is a analysis plugin that convert Chinese characters between traditional and simplified.</description>
@@ -32,7 +32,7 @@
     </parent>
 
     <properties>
-        <elasticsearch.version>2.4.0</elasticsearch.version>
+        <elasticsearch.version>2.4.1</elasticsearch.version>
         <maven.compiler.target>1.7</maven.compiler.target>
         <elasticsearch.assembly.descriptor>${project.basedir}/src/main/assemblies/plugin.xml</elasticsearch.assembly.descriptor>
         <elasticsearch.plugin.name>analysis-stconvert</elasticsearch.plugin.name>