diff --git a/pkgs/development/libraries/haskell/shakespeare-css/default.nix b/pkgs/development/libraries/haskell/shakespeare-css/default.nix
index 486b8a1cc271..1b2964951e70 100644
--- a/pkgs/development/libraries/haskell/shakespeare-css/default.nix
+++ b/pkgs/development/libraries/haskell/shakespeare-css/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "shakespeare-css";
-  version = "1.0.3";
-  sha256 = "0zk4nb4v9x04vkkgbzqanfpqgw9pqinf76l7d85fzclfgwacd0bz";
+  version = "1.0.4";
+  sha256 = "1vh1n1lhhga6y4p7rphyhxpdkg7igkskvh0jmwkg3m4x3jq8g9jg";
   buildDepends = [ parsec shakespeare text transformers ];
   testDepends = [ hspec HUnit shakespeare text ];
   meta = {