diff --git a/pkgs/development/libraries/haskell/http-date/default.nix b/pkgs/development/libraries/haskell/http-date/default.nix
index a0168a51958..58d4dd7ecbf 100644
--- a/pkgs/development/libraries/haskell/http-date/default.nix
+++ b/pkgs/development/libraries/haskell/http-date/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "http-date";
-  version = "0.0.3";
-  sha256 = "12iylfzz1d0v0gl4cf31dxcmlg0x7bq5f7acacy2pb0ilrxmzsnn";
+  version = "0.0.4";
+  sha256 = "1pbm066i1cpa3z2kfsqpva0qixnx87s76dpafz3wf6dkaqj8n8i5";
   buildDepends = [ attoparsec ];
   meta = {
     description = "HTTP Date parser/formatter";