diff --git a/pkgs/development/libraries/haskell/unix-compat/default.nix b/pkgs/development/libraries/haskell/unix-compat/default.nix
index 9742b193e7ba..a43da3b71948 100644
--- a/pkgs/development/libraries/haskell/unix-compat/default.nix
+++ b/pkgs/development/libraries/haskell/unix-compat/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "unix-compat";
-  version = "0.4.1.1";
-  sha256 = "1cjny6zca5wdj7d56kjkaxlad85kknn91pisrizjy6wngszyaigf";
+  version = "0.4.1.3";
+  sha256 = "1vfw3ffzdk9mshhgyp3dnbn8rihkz8qg6n5zqak8966dsdqhm4xb";
   meta = {
     homepage = "http://github.com/jystic/unix-compat";
     description = "Portable POSIX-compatibility layer";