diff --git a/pkgs/development/libraries/haskell/dimensional-tf/default.nix b/pkgs/development/libraries/haskell/dimensional-tf/default.nix
index c93a564c3e31..b6e3f40f9377 100644
--- a/pkgs/development/libraries/haskell/dimensional-tf/default.nix
+++ b/pkgs/development/libraries/haskell/dimensional-tf/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "dimensional-tf";
-  version = "0.3";
-  sha256 = "0z3k9962zz652bk2azv9lcms1j06v60hid3iach043dpg5r083qg";
+  version = "0.3.0.1";
+  sha256 = "0gnaylxhjcyvsibq15bw9k4c846l2329yvvl79cdw2jqggfnzxw6";
   buildDepends = [ numtypeTf time ];
   meta = {
     homepage = "http://dimensional.googlecode.com/";