diff --git a/haskell/msgpack.cabal b/haskell/msgpack.cabal
index 6b88cd5b..dd868bc2 100644
--- a/haskell/msgpack.cabal
+++ b/haskell/msgpack.cabal
@@ -1,5 +1,5 @@
 Name:               msgpack
-Version:            0.6.3
+Version:            0.6.3.1
 Synopsis:           A Haskell implementation of MessagePack
 Description:
   A Haskell implementation of MessagePack <http://msgpack.org/>