diff --git a/pkgs/development/libraries/haskell/network-transport-tcp/default.nix b/pkgs/development/libraries/haskell/network-transport-tcp/default.nix
index 840712e3416..d75e83639f0 100644
--- a/pkgs/development/libraries/haskell/network-transport-tcp/default.nix
+++ b/pkgs/development/libraries/haskell/network-transport-tcp/default.nix
@@ -1,22 +1,15 @@
-{ cabal, dataAccessor, dataAccessorTransformers, HUnit
-, lockfreeQueue, mtl, network, networkTransport
-, networkTransportTests, QuickCheck, testFramework
-, testFrameworkHunit, testFrameworkQuickcheck2, transformers
+{ cabal, dataAccessor, network, networkTransport
+, networkTransportTests
 }:
 
 cabal.mkDerivation (self: {
   pname = "network-transport-tcp";
-  version = "0.3.1";
-  sha256 = "15i4qbx1s3dxaixn6kd2z1hsymfvpqzf4jpqd3mcbpjlgrn6craf";
+  version = "0.4.0";
+  sha256 = "1jjf1dj67a7l3jg3qgbg0hrjfnx1kr9n7hfvqssq7kr8sq1sc49v";
   buildDepends = [ dataAccessor network networkTransport ];
-  testDepends = [
-    dataAccessor dataAccessorTransformers HUnit lockfreeQueue mtl
-    network networkTransport networkTransportTests QuickCheck
-    testFramework testFrameworkHunit testFrameworkQuickcheck2
-    transformers
-  ];
+  testDepends = [ network networkTransport networkTransportTests ];
   meta = {
-    homepage = "http://github.com/haskell-distributed/distributed-process";
+    homepage = "http://haskell-distributed.github.com";
     description = "TCP instantiation of Network.Transport";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;