diff --git a/common/pom.xml b/common/pom.xml
index d69a18a..72096fe 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>path-mapped</artifactId>
         <groupId>org.commonjava.util</groupId>
-        <version>3.0</version>
+        <version>3.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pathdb/datastax/pom.xml b/pathdb/datastax/pom.xml
index 05cfed7..36026c8 100644
--- a/pathdb/datastax/pom.xml
+++ b/pathdb/datastax/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>path-mapped-pathdb</artifactId>
         <groupId>org.commonjava.util</groupId>
-        <version>3.0</version>
+        <version>3.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pathdb/jpa/pom.xml b/pathdb/jpa/pom.xml
index 3d33e75..f664c56 100644
--- a/pathdb/jpa/pom.xml
+++ b/pathdb/jpa/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>path-mapped-pathdb</artifactId>
         <groupId>org.commonjava.util</groupId>
-        <version>3.0</version>
+        <version>3.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pathdb/pom.xml b/pathdb/pom.xml
index d0b4530..8fc3247 100644
--- a/pathdb/pom.xml
+++ b/pathdb/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>path-mapped</artifactId>
         <groupId>org.commonjava.util</groupId>
-        <version>3.0</version>
+        <version>3.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index e8bca4a..17905ef 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
 
     <groupId>org.commonjava.util</groupId>
     <artifactId>path-mapped</artifactId>
-    <version>3.0</version>
+    <version>3.1-SNAPSHOT</version>
 
     <packaging>pom</packaging>
     <modules>
@@ -43,7 +43,7 @@
         <connection>scm:git:https://github.com/commonjava/path-mapped-storage</connection>
         <developerConnection>scm:git:https://github.com/commonjava/path-mapped-storage</developerConnection>
         <url>https://github.com/Commonjava/path-mapped-storage</url>
-        <tag>path-mapped-3.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <properties>
@@ -72,27 +72,27 @@
             <dependency>
                 <groupId>org.commonjava.util</groupId>
                 <artifactId>path-mapped-common</artifactId>
-                <version>3.0</version>
+                <version>3.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonjava.util</groupId>
                 <artifactId>path-mapped-storage</artifactId>
-                <version>3.0</version>
+                <version>3.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonjava.util</groupId>
                 <artifactId>path-mapped-pathdb</artifactId>
-                <version>3.0</version>
+                <version>3.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonjava.util</groupId>
                 <artifactId>path-mapped-pathdb-datastax</artifactId>
-                <version>3.0</version>
+                <version>3.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonjava.util</groupId>
                 <artifactId>path-mapped-pathdb-jpa</artifactId>
-                <version>3.0</version>
+                <version>3.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonjava.util</groupId>
diff --git a/storage/pom.xml b/storage/pom.xml
index 4cdf285..9e854f3 100644
--- a/storage/pom.xml
+++ b/storage/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>path-mapped</artifactId>
         <groupId>org.commonjava.util</groupId>
-        <version>3.0</version>
+        <version>3.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>