diff --git a/lib/amq/protocol/version.rb b/lib/amq/protocol/version.rb
index a501546..b587514 100644
--- a/lib/amq/protocol/version.rb
+++ b/lib/amq/protocol/version.rb
@@ -1,5 +1,5 @@
 module AMQ
   module Protocol
-    VERSION = "2.3.3"
+    VERSION = "2.3.4.pre"
   end # Protocol
 end # AMQ