diff --git a/msgpack-rpc.cabal b/msgpack-rpc.cabal
--- a/msgpack-rpc.cabal
+++ b/msgpack-rpc.cabal
@@ -1,5 +1,5 @@
 Name:                msgpack-rpc
-Version:             0.7.1
+Version:             0.7.1.1
 Synopsis:            A MessagePack-RPC Implementation
 Description:         A MessagePack-RPC Implementation <http://msgpack.org/>
 Homepage:            http://msgpack.org/
@@ -23,8 +23,8 @@
                    , network      >= 2.2 && < 2.4
                    , random       == 1.0.*
                    , mtl          == 2.0.*
-                   , conduit      >= 0.2 && < 0.4
-                   , attoparsec-conduit >= 0.2 && < 0.4
+                   , conduit      >= 0.2 && < 0.5
+                   , attoparsec-conduit
                    , deepseq      >= 1.1 && < 1.4
                    , msgpack      == 0.7.*