Update version to next snapshot

Change-Id: Ie14e00dd8dc897b88a1e1892db28c269cade9231
diff --git a/pom.xml b/pom.xml
index f3fd0df..612bfa3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>igmp</artifactId>
-    <version>1.3.0</version>
+    <version>1.3.1-SNAPSHOT</version>
     <packaging>bundle</packaging>
 
     <description>Internet Group Message Protocol</description>
@@ -41,7 +41,7 @@
         <onos.app.url>http://opencord.org</onos.app.url>
         <onos.app.readme>IGMP implementation.</onos.app.readme>
 	<onos.app.requires>org.opencord.config</onos.app.requires>
-        <cord.config.version>1.3.0</cord.config.version>
+        <cord.config.version>1.3.1-SNAPSHOT</cord.config.version>
         <!-- TODO onos-build-conf.version can be dropped when onos.version > 1.10.3 -->
         <onos-build-conf.version>1.10.3-onf</onos-build-conf.version>
     </properties>