diff --git a/pkgs/development/libraries/haskell/uu-parsinglib/default.nix b/pkgs/development/libraries/haskell/uu-parsinglib/default.nix
index de2d1e1f020..ca71d1d4a6d 100644
--- a/pkgs/development/libraries/haskell/uu-parsinglib/default.nix
+++ b/pkgs/development/libraries/haskell/uu-parsinglib/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "uu-parsinglib";
-  version = "2.7.1.1";
-  sha256 = "1qn3impl64cvbzyvhc73yxyibgak4dkgl1vkbrzxrxb770kb5r4p";
+  version = "2.7.2.1";
+  sha256 = "1dablvx1mrgwzm6fqsbgny3qf9bz3bilhip1b78b5gxrbssfpdyk";
   buildDepends = [ ListLike time ];
   meta = {
     homepage = "http://www.cs.uu.nl/wiki/bin/view/HUT/ParserCombinators";