diff --git a/pkgs/development/libraries/haskell/data-default/default.nix b/pkgs/development/libraries/haskell/data-default/default.nix
index 41728d393f83..893f2121f0ab 100644
--- a/pkgs/development/libraries/haskell/data-default/default.nix
+++ b/pkgs/development/libraries/haskell/data-default/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "data-default";
-  version = "0.4.0";
-  sha256 = "1pil8dxbk0zl2zw1xj9h2bpwpdriwfd7aj48kh0xpw9yazg3m802";
+  version = "0.5.0";
+  sha256 = "1wv8wjd9j40s7h19aph5pqph7rby5ma1nlagqywn9q0634iq9n2a";
   buildDepends = [ dlist ];
   meta = {
     description = "A class for types with a default value";