New libgen version 2.2-SNAPSHOT

Change-Id: Ie578a4bd3d9e55b777b2c421770b4b052f5ba4d8
diff --git a/tools/build/libgen/pom.xml b/tools/build/libgen/pom.xml
index aa1f0c3..3cfa162 100644
--- a/tools/build/libgen/pom.xml
+++ b/tools/build/libgen/pom.xml
@@ -29,7 +29,7 @@
     <groupId>org.onosproject</groupId>
     <artifactId>onos-libgen</artifactId>
     <packaging>jar</packaging>
-    <version>2.1</version>
+    <version>2.2-SNAPSHOT</version>
 
     <description>Third-party library generator for ONOS Bazel workspace</description>
     <url>http://onosproject.org/</url>