Starting snapshot 2.4.0-SNAPSHOT

Change-Id: I6e58404c2179c90efa23c763ad53abbb2abe3e2e
diff --git a/tools/package/archetypes/ui2/src/main/resources/META-INF/maven/archetype-metadata.xml b/tools/package/archetypes/ui2/src/main/resources/META-INF/maven/archetype-metadata.xml
index bc25a6f..b5b7190 100644
--- a/tools/package/archetypes/ui2/src/main/resources/META-INF/maven/archetype-metadata.xml
+++ b/tools/package/archetypes/ui2/src/main/resources/META-INF/maven/archetype-metadata.xml
@@ -75,7 +75,7 @@
     </fileSets>
     <requiredProperties>
         <requiredProperty key="onosVersion">
-            <defaultValue>2.3.0-SNAPSHOT</defaultValue>
+            <defaultValue>2.4.0-SNAPSHOT</defaultValue>
         </requiredProperty>
     </requiredProperties>
 </archetype-descriptor>