diff --git a/build.gradle b/build.gradle
index 4e454b1a3..6fe43d14d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ allprojects  {
   apply plugin: 'maven'
 
   group = 'com.github.binarywang'
-  version = '2.3.0'
+  version = '2.4.0-SNAPSHOT'
 }
 
 subprojects {
diff --git a/pom.xml b/pom.xml
index 4621e60d9..763587e9f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.github.binarywang</groupId>
   <artifactId>weixin-java-parent</artifactId>
-  <version>2.3.0</version>
+  <version>2.4.0-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>WeiXin Java Tools - Parent</name>
   <description>微信公众号、企业号上级POM</description>
diff --git a/weixin-java-common/pom.xml b/weixin-java-common/pom.xml
index e5d5d73aa..1f67e0dae 100644
--- a/weixin-java-common/pom.xml
+++ b/weixin-java-common/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>weixin-java-parent</artifactId>
-    <version>2.3.0</version>
+    <version>2.4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>weixin-java-common</artifactId>
diff --git a/weixin-java-cp/pom.xml b/weixin-java-cp/pom.xml
index e7fbd2557..6fa3bde27 100644
--- a/weixin-java-cp/pom.xml
+++ b/weixin-java-cp/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.binarywang</groupId>
         <artifactId>weixin-java-parent</artifactId>
-        <version>2.3.0</version>
+        <version>2.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>weixin-java-cp</artifactId>
diff --git a/weixin-java-mp/pom.xml b/weixin-java-mp/pom.xml
index c1b6a1368..58b634ec1 100644
--- a/weixin-java-mp/pom.xml
+++ b/weixin-java-mp/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.binarywang</groupId>
         <artifactId>weixin-java-parent</artifactId>
-        <version>2.3.0</version>
+        <version>2.4.0-SNAPSHOT</version>
     </parent>
     <artifactId>weixin-java-mp</artifactId>
     <name>WeiXin Java Tools - MP</name>
diff --git a/weixin-java-osgi/pom.xml b/weixin-java-osgi/pom.xml
index 7f4a59739..3833499cf 100644
--- a/weixin-java-osgi/pom.xml
+++ b/weixin-java-osgi/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>weixin-java-parent</artifactId>
-    <version>2.3.0</version>
+    <version>2.4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>weixin-java-osgi</artifactId>