Bumping version to 2.4-SNAPSHOT

Change-Id: I1f30b30740d85a44516f5a6993c17d35f83b6ec3
diff --git a/serializers/json/pom.xml b/serializers/json/pom.xml
index 2371c3e..5ff59df 100644
--- a/serializers/json/pom.xml
+++ b/serializers/json/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-yang-serializers</artifactId>
-        <version>2.3.1</version>
+        <version>2.4-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-yang-serializers-utils</artifactId>
-            <version>2.3.1</version>
+            <version>2.4-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>