diff --git a/lib/main/VERS b/lib/main/VERS
index fd6b9593267..f5e5c69ae0e 100644
--- a/lib/main/VERS
+++ b/lib/main/VERS
@@ -1,4 +1,4 @@
-netty: 3.4.0.final
+netty: 3.4.2.final
 js.jar - currently built from rhino master since require some fixes not in release yet
 hazelcast.jar - 2.0.2.final
 jruby.jar - 1.6.7
diff --git a/lib/main/netty.jar b/lib/main/netty.jar
index 45fb8318968..d0d79a5144e 100644
Binary files a/lib/main/netty.jar and b/lib/main/netty.jar differ