diff --git a/client/pom.xml b/client/pom.xml
index 6008d5a8..e218c0c1 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/common/pom.xml b/common/pom.xml
index ced83b24..dad370b3 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>canal.common</artifactId>
diff --git a/dbsync/pom.xml b/dbsync/pom.xml
index 69ccafe7..b7093bff 100644
--- a/dbsync/pom.xml
+++ b/dbsync/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/deployer/pom.xml b/deployer/pom.xml
index 901b3096..2c7a1b99 100644
--- a/deployer/pom.xml
+++ b/deployer/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/driver/pom.xml b/driver/pom.xml
index dc5664c3..636a8481 100644
--- a/driver/pom.xml
+++ b/driver/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/example/pom.xml b/example/pom.xml
index 25a4fc4c..6c2d2e95 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/filter/pom.xml b/filter/pom.xml
index bd139ad4..c7dee704 100644
--- a/filter/pom.xml
+++ b/filter/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/instance/core/pom.xml b/instance/core/pom.xml
index fbc0bf6d..eb0bcf72 100644
--- a/instance/core/pom.xml
+++ b/instance/core/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>canal.instance.core</artifactId>
diff --git a/instance/manager/pom.xml b/instance/manager/pom.xml
index 9ad97ae7..31d6d7ac 100644
--- a/instance/manager/pom.xml
+++ b/instance/manager/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/instance/pom.xml b/instance/pom.xml
index 3d829b22..2305fae1 100644
--- a/instance/pom.xml
+++ b/instance/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/instance/spring/pom.xml b/instance/spring/pom.xml
index 8a186485..3c2f2175 100644
--- a/instance/spring/pom.xml
+++ b/instance/spring/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/meta/pom.xml b/meta/pom.xml
index be03361a..e648db1c 100644
--- a/meta/pom.xml
+++ b/meta/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/parse/pom.xml b/parse/pom.xml
index c1df9012..c4e20a59 100644
--- a/parse/pom.xml
+++ b/parse/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>canal.parse</artifactId>
diff --git a/pom.xml b/pom.xml
index 83280dda..1f56d256 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <artifactId>canal</artifactId>
     <packaging>pom</packaging>
     <name>canal module for otter ${project.version}</name>
-    <version>1.0.20</version>
+    <version>1.0.21-SNAPSHOT</version>
     <url>https://github.com/alibaba/canal</url>
     <parent>
         <groupId>org.sonatype.oss</groupId>
diff --git a/protocol/pom.xml b/protocol/pom.xml
index b6556fb8..a50e6551 100644
--- a/protocol/pom.xml
+++ b/protocol/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/server/pom.xml b/server/pom.xml
index 27c1505e..2a628a7b 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>canal.server</artifactId>
diff --git a/sink/pom.xml b/sink/pom.xml
index 36511490..87b48d9d 100644
--- a/sink/pom.xml
+++ b/sink/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/store/pom.xml b/store/pom.xml
index ad14e9fb..df413e5a 100644
--- a/store/pom.xml
+++ b/store/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.20</version>
+		<version>1.0.21-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>