diff --git a/README.md b/README.md
index cfd397d..fc30575 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Add the following dependency to your `pom.xml`.
   <dependency>
     <groupId>com.github.nkzawa</groupId>
     <artifactId>engine.io-client</artifactId>
-    <version>0.5.1</version>
+    <version>0.6.0</version>
   </dependency>
 </dependencies>
 ```
@@ -25,7 +25,7 @@ Add the following dependency to your `pom.xml`.
 Add it as a gradle dependency for Android Studio, in `build.gradle`:
 
 ```groovy
-compile 'com.github.nkzawa:engine.io-client:0.5.1'
+compile 'com.github.nkzawa:engine.io-client:0.6.0'
 ```
 
 ## Usage
diff --git a/pom.xml b/pom.xml
index 84286e9..12219c2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.github.nkzawa</groupId>
   <artifactId>engine.io-client</artifactId>
-  <version>0.5.2-SNAPSHOT</version>
+  <version>0.6.0-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>engine.io-client</name>
   <description>Engine.IO Client Library for Java</description>