diff --git a/broker/pom.xml b/broker/pom.xml
index c213c823..e106edd8 100755
--- a/broker/pom.xml
+++ b/broker/pom.xml
@@ -5,7 +5,7 @@
         <relativePath>../</relativePath>
         <artifactId>wildfirechat-parent</artifactId>
         <groupId>cn.wildfirechat</groupId>
-        <version>0.20</version>
+        <version>0.21</version>
     </parent>
 
     <artifactId>moquette-broker</artifactId>
diff --git a/client/pom.xml b/client/pom.xml
index 1b5999ea..d9b9e7f8 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -6,7 +6,7 @@
         <relativePath>../</relativePath>
         <artifactId>wildfirechat-parent</artifactId>
         <groupId>cn.wildfirechat</groupId>
-        <version>0.20</version>
+        <version>0.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/common/pom.xml b/common/pom.xml
index 9d5c365a..ba9baee8 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>wildfirechat-parent</artifactId>
         <groupId>cn.wildfirechat</groupId>
-        <version>0.20</version>
+        <version>0.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 73b94d0e..3b9791fc 100755
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -6,7 +6,7 @@
         <!--<relativePath>../pom.xml</relativePath>-->
         <artifactId>wildfirechat-parent</artifactId>
         <groupId>cn.wildfirechat</groupId>
-        <version>0.20</version>
+        <version>0.21</version>
     </parent>
 
     <artifactId>distribution</artifactId>
diff --git a/pom.xml b/pom.xml
index e21a6844..69be76c8 100755
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
     <artifactId>wildfirechat-parent</artifactId>
 
     <packaging>pom</packaging>
-    <version>0.20</version>
+    <version>0.21</version>
     <name>Wildfire Chat</name>
     <description>Wildfire Chat Server</description>
     <inceptionYear>2019</inceptionYear>
diff --git a/sdk/pom.xml b/sdk/pom.xml
index 22c1b655..f207f8f3 100644
--- a/sdk/pom.xml
+++ b/sdk/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>wildfirechat-parent</artifactId>
         <groupId>cn.wildfirechat</groupId>
-        <version>0.20</version>
+        <version>0.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/wildfire_jmeter/pom.xml b/wildfire_jmeter/pom.xml
index 3fbebf28..7dda8a5f 100755
--- a/wildfire_jmeter/pom.xml
+++ b/wildfire_jmeter/pom.xml
@@ -5,7 +5,7 @@
     <relativePath>../</relativePath>
     <artifactId>wildfirechat-parent</artifactId>
     <groupId>cn.wildfirechat</groupId>
-    <version>0.20</version>
+    <version>0.21</version>
   </parent>
 
   <groupId>net.xmeter</groupId>