diff --git a/client/pom.xml b/client/pom.xml
index 94f30229..a94892f5 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/common/pom.xml b/common/pom.xml
index 71d0fb40..620ed474 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/dbsync/pom.xml b/dbsync/pom.xml
index a473cb91..503492c7 100644
--- a/dbsync/pom.xml
+++ b/dbsync/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/deployer/pom.xml b/deployer/pom.xml
index a9521d00..2cbbb238 100644
--- a/deployer/pom.xml
+++ b/deployer/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/driver/pom.xml b/driver/pom.xml
index b5436d15..ab970511 100644
--- a/driver/pom.xml
+++ b/driver/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/example/pom.xml b/example/pom.xml
index 40310747..2b8b05cc 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/filter/pom.xml b/filter/pom.xml
index 313f3a93..b9e3a438 100644
--- a/filter/pom.xml
+++ b/filter/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-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 80d34a0c..b4bb5428 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>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/instance/manager/pom.xml b/instance/manager/pom.xml
index 90b21367..ab909e3b 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>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/instance/pom.xml b/instance/pom.xml
index 0e123752..e789b811 100644
--- a/instance/pom.xml
+++ b/instance/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-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 04db6fbc..86566ad6 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>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/meta/pom.xml b/meta/pom.xml
index 061041b0..29ecb4ae 100644
--- a/meta/pom.xml
+++ b/meta/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/parse/pom.xml b/parse/pom.xml
index a4067be8..7ce7a62c 100644
--- a/parse/pom.xml
+++ b/parse/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/pom.xml b/pom.xml
index 979d3b4e..80c827e9 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>1.0.19</version>
+	<version>1.0.20-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 06c51b7a..fdf92af9 100644
--- a/protocol/pom.xml
+++ b/protocol/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/server/pom.xml b/server/pom.xml
index a751f167..27cbb50a 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/sink/pom.xml b/sink/pom.xml
index a36cb815..8b6bcc2f 100644
--- a/sink/pom.xml
+++ b/sink/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/store/pom.xml b/store/pom.xml
index 875d4ee4..a9baab8c 100644
--- a/store/pom.xml
+++ b/store/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.0.19</version>
+		<version>1.0.20-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>