diff --git a/README.md b/README.md
index f1f28c0..cf0b7f8 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Pinyin4j is a popular Java library supporting conversion between Chinese charact
     --------------------------------------------------
     | master                        | 2.4.x -> master|
     --------------------------------------------------
-    | 1.8.0                         | 2.4.0          |
+    | 1.8.1                         | 2.4.1          |
     --------------------------------------------------
     | 1.7.5                         | 2.3.5          |
     --------------------------------------------------  
diff --git a/pom.xml b/pom.xml
index cbe2b69..d3b22e0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.elasticsearch</groupId>
     <artifactId>elasticsearch-analysis-pinyin</artifactId>
-    <version>1.8.0</version>
+    <version>1.8.1</version>
     <packaging>jar</packaging>
     <description>Pinyin Analysis for Elasticsearch</description>
     <inceptionYear>2012</inceptionYear>
@@ -41,7 +41,7 @@
     </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-pinyin</elasticsearch.plugin.name>