prepare for next release
diff --git a/dubbo-dependencies-bom/pom.xml b/dubbo-dependencies-bom/pom.xml
index b583893..fb3b390 100644
--- a/dubbo-dependencies-bom/pom.xml
+++ b/dubbo-dependencies-bom/pom.xml
@@ -176,7 +176,7 @@
         <portlet_version>2.0</portlet_version>
         <maven_flatten_version>1.1.0</maven_flatten_version>
         <commons_compress_version>1.21</commons_compress_version>
-        <revision>3.1.0</revision>
+        <revision>3.1.1-SNAPSHOT</revision>
     </properties>
 
     <dependencyManagement>
diff --git a/dubbo-dependencies/dubbo-dependencies-zookeeper-curator5/pom.xml b/dubbo-dependencies/dubbo-dependencies-zookeeper-curator5/pom.xml
index 57795c5..e84de5f 100644
--- a/dubbo-dependencies/dubbo-dependencies-zookeeper-curator5/pom.xml
+++ b/dubbo-dependencies/dubbo-dependencies-zookeeper-curator5/pom.xml
@@ -32,7 +32,7 @@
     <packaging>pom</packaging>
 
     <properties>
-        <revision>3.1.0</revision>
+        <revision>3.1.1-SNAPSHOT</revision>
         <maven_flatten_version>1.1.0</maven_flatten_version>
         <curator_version>5.1.0</curator_version>
         <zookeeper_version>3.7.0</zookeeper_version>
diff --git a/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml b/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml
index 445ced8..cad323e 100644
--- a/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml
+++ b/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml
@@ -32,7 +32,7 @@
     <packaging>pom</packaging>
 
     <properties>
-        <revision>3.1.0</revision>
+        <revision>3.1.1-SNAPSHOT</revision>
         <maven_flatten_version>1.1.0</maven_flatten_version>
         <curator_version>4.2.0</curator_version>
         <zookeeper_version>3.4.14</zookeeper_version>
diff --git a/pom.xml b/pom.xml
index 7fe7685..f8c7a0e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -129,7 +129,7 @@
         <checkstyle_unix.skip>true</checkstyle_unix.skip>
         <rat.skip>true</rat.skip>
         <jacoco.skip>true</jacoco.skip>
-        <revision>3.1.0</revision>
+        <revision>3.1.1-SNAPSHOT</revision>
     </properties>
 
     <modules>