diff --git a/pkgs/development/libraries/haskell/cookie/default.nix b/pkgs/development/libraries/haskell/cookie/default.nix
index 1b958b3240e..b7dae5d4a9b 100644
--- a/pkgs/development/libraries/haskell/cookie/default.nix
+++ b/pkgs/development/libraries/haskell/cookie/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "cookie";
-  version = "0.4.0";
-  sha256 = "1vkz6nys26i0yprb8jkv8iyq9xqnxb0wv07f7s7c448vx4gfln98";
+  version = "0.4.0.1";
+  sha256 = "01k5gq9kwbrivkhr1sj8aw4cgf2c1xgwwajqvd435r0g99fpx5kk";
   buildDepends = [ blazeBuilder dataDefault text time ];
   meta = {
     homepage = "http://github.com/snoyberg/cookie";