diff --git a/broker/pom.xml b/broker/pom.xml
index d655959a9a85e6327a325004dfe48597f9bd2de5..2afb80c8c84b5d84a328d1ada6f95cb8383cc824 100644
--- a/broker/pom.xml
+++ b/broker/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/client/pom.xml b/client/pom.xml
index a8034c2165d7c401d69bdc8cf7cde0be3c654ebd..d2ffb784d800aeb22e03620f20f9ea93960e6e59 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/common/pom.xml b/common/pom.xml
index 05c2e221fe5311d2ed9bbd434dbb1e044e90e69d..406570066d869a1fe7366b95b583b7b5291994d3 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index fccb91e5c7a89dd532174ad88c640e7501ba0c47..1dbb73b2201e658946d5963f642f43f8e3db3e91 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>rocketmq-distribution</artifactId>
     <name>rocketmq-distribution ${project.version}</name>
diff --git a/example/pom.xml b/example/pom.xml
index d246de429d415e921d2bef5afde63726a8617d02..3c4c7d5777c0b1ae1d47ca620d5b9630c361cc0d 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -51,7 +51,7 @@
         <dependency>
             <groupId>org.apache.rocketmq</groupId>
             <artifactId>rocketmq-openmessaging</artifactId>
-            <version>4.2.0</version>
+            <version>4.2.1-SNAPSHOT</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/filter/pom.xml b/filter/pom.xml
index c024effdb6eaffd66176cbf8af286b5fd2219171..6d592835ccd6fce44303c78ff776b7183d3e7e8d 100644
--- a/filter/pom.xml
+++ b/filter/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>rocketmq-all</artifactId>
         <groupId>org.apache.rocketmq</groupId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/filtersrv/pom.xml b/filtersrv/pom.xml
index 96ce62a5d6cb3c62a9e9b63f13cc23da040f0fdb..b7ece1f4dee387c2879b0d736462f4ec4fcc8039 100644
--- a/filtersrv/pom.xml
+++ b/filtersrv/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/logappender/pom.xml b/logappender/pom.xml
index 0e0ac44911bead014ab8bfbc137e629c3839df36..857f9d5c91529df54f4eeb0cb5f917ce838d452a 100644
--- a/logappender/pom.xml
+++ b/logappender/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>rocketmq-logappender</artifactId>
diff --git a/namesrv/pom.xml b/namesrv/pom.xml
index c2134c1cd2cc3e584997d2240c3e0b354437a0e5..74cef87a0d396805178f6e3bd29dcd2868209ed9 100644
--- a/namesrv/pom.xml
+++ b/namesrv/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/openmessaging/pom.xml b/openmessaging/pom.xml
index 56246f8665bbd625e1b996466107192f03677a77..e1a8337767ba903cb7991e1d9be2e31285504191 100644
--- a/openmessaging/pom.xml
+++ b/openmessaging/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>rocketmq-all</artifactId>
         <groupId>org.apache.rocketmq</groupId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 80db29f541480da7a689558e6d93a572fe4ace97..02e173be38fbb57515a2451fe842bda54076ce31 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
     <inceptionYear>2012</inceptionYear>
     <groupId>org.apache.rocketmq</groupId>
     <artifactId>rocketmq-all</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Apache RocketMQ ${project.version}</name>
     <url>http://rocketmq.apache.org/</url>
@@ -42,7 +42,7 @@
         <url>git@github.com:apache/rocketmq.git</url>
         <connection>scm:git:git@github.com:apache/rocketmq.git</connection>
         <developerConnection>scm:git:git@github.com:apache/rocketmq.git</developerConnection>
-        <tag>rocketmq-all-4.2.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <mailingLists>
diff --git a/remoting/pom.xml b/remoting/pom.xml
index 4dc0e7390ab126039b08d5f78fe07c56792a8944..9ede84c31dbb7f7e080205db8b98d8351e70558c 100644
--- a/remoting/pom.xml
+++ b/remoting/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/srvutil/pom.xml b/srvutil/pom.xml
index 7965966c6d0794ffccac785a72a6e79357da307c..6e2a60ee5d60ac51555f68daecb5a9f0c16d3c22 100644
--- a/srvutil/pom.xml
+++ b/srvutil/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/store/pom.xml b/store/pom.xml
index ca2eb1adfe1edc242df63105ef08d2f4412fed69..342617d4bf4d87ac964b59868c8e8faa726fcb8d 100644
--- a/store/pom.xml
+++ b/store/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/test/pom.xml b/test/pom.xml
index b7713aed385e6122898ab3f7aa15d2e56517d730..b6e87308071cb1fa49b1754bfe044a8aa8b3e9e9 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>rocketmq-all</artifactId>
         <groupId>org.apache.rocketmq</groupId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/tools/pom.xml b/tools/pom.xml
index 21852934af667fdda1526413b858c963381fd51c..1cac4728f1d07a624ac38cef6d10983680669526 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.rocketmq</groupId>
         <artifactId>rocketmq-all</artifactId>
-        <version>4.2.0</version>
+        <version>4.2.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>