diff --git a/dubbo-cluster/dubbo-cluster-api/pom.xml b/dubbo-cluster/dubbo-cluster-api/pom.xml
index c5c2aae70d..8fdda8b817 100644
--- a/dubbo-cluster/dubbo-cluster-api/pom.xml
+++ b/dubbo-cluster/dubbo-cluster-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-cluster-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-cluster/dubbo-cluster-faulttolerant/pom.xml b/dubbo-cluster/dubbo-cluster-faulttolerant/pom.xml
index 723435ce95..af15bc0497 100644
--- a/dubbo-cluster/dubbo-cluster-faulttolerant/pom.xml
+++ b/dubbo-cluster/dubbo-cluster-faulttolerant/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-cluster-faulttolerant</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-cluster/dubbo-cluster-loadbalance/pom.xml b/dubbo-cluster/dubbo-cluster-loadbalance/pom.xml
index fb8361729e..98fcd9d8ae 100644
--- a/dubbo-cluster/dubbo-cluster-loadbalance/pom.xml
+++ b/dubbo-cluster/dubbo-cluster-loadbalance/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-cluster-loadbalance</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-cluster/dubbo-cluster-router/pom.xml b/dubbo-cluster/dubbo-cluster-router/pom.xml
index 4b004a73d2..05a82e894d 100644
--- a/dubbo-cluster/dubbo-cluster-router/pom.xml
+++ b/dubbo-cluster/dubbo-cluster-router/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-cluster-router</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-common/pom.xml b/dubbo-common/pom.xml
index 132f9b40dc..a888f3fb45 100644
--- a/dubbo-common/pom.xml
+++ b/dubbo-common/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-common</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config/dubbo-config-api/pom.xml b/dubbo-config/dubbo-config-api/pom.xml
index f2d1ea37a3..dc2ee67a77 100644
--- a/dubbo-config/dubbo-config-api/pom.xml
+++ b/dubbo-config/dubbo-config-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config/dubbo-config-guice/pom.xml b/dubbo-config/dubbo-config-guice/pom.xml
index a52efc68e5..c1b87da469 100644
--- a/dubbo-config/dubbo-config-guice/pom.xml
+++ b/dubbo-config/dubbo-config-guice/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-guice</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config/dubbo-config-sca/pom.xml b/dubbo-config/dubbo-config-sca/pom.xml
index 68e19a4131..3099718b51 100644
--- a/dubbo-config/dubbo-config-sca/pom.xml
+++ b/dubbo-config/dubbo-config-sca/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-sca</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config/dubbo-config-spring/pom.xml b/dubbo-config/dubbo-config-spring/pom.xml
index cc434e82eb..690b47afff 100644
--- a/dubbo-config/dubbo-config-spring/pom.xml
+++ b/dubbo-config/dubbo-config-spring/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-spring</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-api/pom.xml b/dubbo-container/dubbo-container-api/pom.xml
index 72d2dea10d..b8f1643064 100644
--- a/dubbo-container/dubbo-container-api/pom.xml
+++ b/dubbo-container/dubbo-container-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-jetty/pom.xml b/dubbo-container/dubbo-container-jetty/pom.xml
index 211b696cb3..7d6de31f5e 100644
--- a/dubbo-container/dubbo-container-jetty/pom.xml
+++ b/dubbo-container/dubbo-container-jetty/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-jetty</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-log4j/pom.xml b/dubbo-container/dubbo-container-log4j/pom.xml
index fcea3af626..99d0e727ff 100644
--- a/dubbo-container/dubbo-container-log4j/pom.xml
+++ b/dubbo-container/dubbo-container-log4j/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-log4j</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-spring/pom.xml b/dubbo-container/dubbo-container-spring/pom.xml
index c590a7043e..1e19ae1ecf 100644
--- a/dubbo-container/dubbo-container-spring/pom.xml
+++ b/dubbo-container/dubbo-container-spring/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-spring</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-api/pom.xml b/dubbo-demo/dubbo-demo-api/pom.xml
index 1d6e244f05..9f1b96cd82 100644
--- a/dubbo-demo/dubbo-demo-api/pom.xml
+++ b/dubbo-demo/dubbo-demo-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-consumer/pom.xml b/dubbo-demo/dubbo-demo-consumer/pom.xml
index e06da7b060..443528c805 100644
--- a/dubbo-demo/dubbo-demo-consumer/pom.xml
+++ b/dubbo-demo/dubbo-demo-consumer/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-consumer</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-provider/pom.xml b/dubbo-demo/dubbo-demo-provider/pom.xml
index 0737512334..1f8424506e 100644
--- a/dubbo-demo/dubbo-demo-provider/pom.xml
+++ b/dubbo-demo/dubbo-demo-provider/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-provider</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-filter/dubbo-filter-cache/pom.xml b/dubbo-filter/dubbo-filter-cache/pom.xml
index 65739b9e0a..7b68c395de 100644
--- a/dubbo-filter/dubbo-filter-cache/pom.xml
+++ b/dubbo-filter/dubbo-filter-cache/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-filter-cache</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-filter/dubbo-filter-default/pom.xml b/dubbo-filter/dubbo-filter-default/pom.xml
index cab19fe846..8e99ef782f 100644
--- a/dubbo-filter/dubbo-filter-default/pom.xml
+++ b/dubbo-filter/dubbo-filter-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-filter-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-filter/dubbo-filter-validation/pom.xml b/dubbo-filter/dubbo-filter-validation/pom.xml
index bdc3164795..4f815f387b 100644
--- a/dubbo-filter/dubbo-filter-validation/pom.xml
+++ b/dubbo-filter/dubbo-filter-validation/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-filter-validation</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-monitor/dubbo-monitor-api/pom.xml b/dubbo-monitor/dubbo-monitor-api/pom.xml
index 7532696528..b591c4f516 100644
--- a/dubbo-monitor/dubbo-monitor-api/pom.xml
+++ b/dubbo-monitor/dubbo-monitor-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-monitor/dubbo-monitor-default/pom.xml b/dubbo-monitor/dubbo-monitor-default/pom.xml
index 8813db05e9..6281ad8c40 100644
--- a/dubbo-monitor/dubbo-monitor-default/pom.xml
+++ b/dubbo-monitor/dubbo-monitor-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-monitor/dubbo-monitor-simple/pom.xml b/dubbo-monitor/dubbo-monitor-simple/pom.xml
index 44c3b7979e..a755c12e3d 100644
--- a/dubbo-monitor/dubbo-monitor-simple/pom.xml
+++ b/dubbo-monitor/dubbo-monitor-simple/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor-simple</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-api/pom.xml b/dubbo-registry/dubbo-registry-api/pom.xml
index 3b4d25c476..0b6b0ee186 100644
--- a/dubbo-registry/dubbo-registry-api/pom.xml
+++ b/dubbo-registry/dubbo-registry-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-default/pom.xml b/dubbo-registry/dubbo-registry-default/pom.xml
index dfe4a010eb..a37dc6f957 100644
--- a/dubbo-registry/dubbo-registry-default/pom.xml
+++ b/dubbo-registry/dubbo-registry-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-multicast/pom.xml b/dubbo-registry/dubbo-registry-multicast/pom.xml
index 654c5a1c5b..405f250398 100644
--- a/dubbo-registry/dubbo-registry-multicast/pom.xml
+++ b/dubbo-registry/dubbo-registry-multicast/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-multicast</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-redis/pom.xml b/dubbo-registry/dubbo-registry-redis/pom.xml
index 328103eab6..1fa1e3b333 100644
--- a/dubbo-registry/dubbo-registry-redis/pom.xml
+++ b/dubbo-registry/dubbo-registry-redis/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-redis</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-simple/pom.xml b/dubbo-registry/dubbo-registry-simple/pom.xml
index 1f79cdaea0..dedf361b2b 100644
--- a/dubbo-registry/dubbo-registry-simple/pom.xml
+++ b/dubbo-registry/dubbo-registry-simple/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-simple</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-zookeeper/pom.xml b/dubbo-registry/dubbo-registry-zookeeper/pom.xml
index 388020c84b..1a71895f44 100644
--- a/dubbo-registry/dubbo-registry-zookeeper/pom.xml
+++ b/dubbo-registry/dubbo-registry-zookeeper/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-zookeeper</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-api/pom.xml b/dubbo-remoting/dubbo-remoting-api/pom.xml
index 7f27815a8d..2f6b629bd9 100644
--- a/dubbo-remoting/dubbo-remoting-api/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-grizzly/pom.xml b/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
index 7114a0700f..ad3e9123d3 100644
--- a/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-grizzly</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-http/pom.xml b/dubbo-remoting/dubbo-remoting-http/pom.xml
index 3d19565be3..850a1b2716 100644
--- a/dubbo-remoting/dubbo-remoting-http/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-http/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-http</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-mina/pom.xml b/dubbo-remoting/dubbo-remoting-mina/pom.xml
index c404ebd561..02bc49417f 100644
--- a/dubbo-remoting/dubbo-remoting-mina/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-mina/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-mina</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-netty/pom.xml b/dubbo-remoting/dubbo-remoting-netty/pom.xml
index 7c33470ca9..174331345a 100644
--- a/dubbo-remoting/dubbo-remoting-netty/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-netty/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-netty</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-p2p/pom.xml b/dubbo-remoting/dubbo-remoting-p2p/pom.xml
index bce23830b0..f0104a1b0c 100644
--- a/dubbo-remoting/dubbo-remoting-p2p/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-p2p/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-p2p</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-api/pom.xml b/dubbo-rpc/dubbo-rpc-api/pom.xml
index 9996f1e9fb..f80ce1be30 100644
--- a/dubbo-rpc/dubbo-rpc-api/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-default/pom.xml b/dubbo-rpc/dubbo-rpc-default/pom.xml
index c6298ac47c..6cd1acbdca 100644
--- a/dubbo-rpc/dubbo-rpc-default/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-hessian/pom.xml b/dubbo-rpc/dubbo-rpc-hessian/pom.xml
index 81cb8f747a..58d93592c1 100644
--- a/dubbo-rpc/dubbo-rpc-hessian/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-hessian/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-hessian</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-injvm/pom.xml b/dubbo-rpc/dubbo-rpc-injvm/pom.xml
index 17cd44b24c..0932ab2838 100644
--- a/dubbo-rpc/dubbo-rpc-injvm/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-injvm/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-injvm</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-rmi/pom.xml b/dubbo-rpc/dubbo-rpc-rmi/pom.xml
index a78822b608..c76c78b4af 100644
--- a/dubbo-rpc/dubbo-rpc-rmi/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-rmi/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-rmi</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/dubbo-test-benchmark/pom.xml b/dubbo-test/dubbo-test-benchmark/pom.xml
index 3f2e475a1c..7bf1d5efea 100644
--- a/dubbo-test/dubbo-test-benchmark/pom.xml
+++ b/dubbo-test/dubbo-test-benchmark/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-benchmark</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/dubbo-test-examples/pom.xml b/dubbo-test/dubbo-test-examples/pom.xml
index 09526779f0..01453d87d0 100644
--- a/dubbo-test/dubbo-test-examples/pom.xml
+++ b/dubbo-test/dubbo-test-examples/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-showcase</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/dubbo-test-integration/pom.xml b/dubbo-test/dubbo-test-integration/pom.xml
index e3601d5921..288ff26a7e 100644
--- a/dubbo-test/dubbo-test-integration/pom.xml
+++ b/dubbo-test/dubbo-test-integration/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-integration</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo/pom.xml b/dubbo/pom.xml
index 79d41fcb9b..ac512e83c8 100644
--- a/dubbo/pom.xml
+++ b/dubbo/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.6</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo</artifactId>
 	<packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index a444397388..3c81888e3e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 		<version>1.0</version>
 	</parent>
 	<artifactId>dubbo-parent</artifactId>
-	<version>2.1.6</version>
+	<version>2.2.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The parent project of dubbo</description>