diff --git a/pkgs/development/libraries/haskell/pipes-network/default.nix b/pkgs/development/libraries/haskell/pipes-network/default.nix
index 1b816a704f2..5ec70a010a5 100644
--- a/pkgs/development/libraries/haskell/pipes-network/default.nix
+++ b/pkgs/development/libraries/haskell/pipes-network/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "pipes-network";
-  version = "0.6.2";
-  sha256 = "1y64cyi1lq7y5x3b1rv2iixlwqnz4g82nxk2m14x214fmj3np965";
+  version = "0.6.3";
+  sha256 = "09gihca0hinq3sqsx9753gmas6g22pg792ag6ckdw5z3607razrg";
   buildDepends = [
     network networkSimple pipes pipesSafe transformers
   ];