diff --git a/pkgs/development/libraries/haskell/persistent-template/default.nix b/pkgs/development/libraries/haskell/persistent-template/default.nix
index 67d8e10a3ef9..7a32591b97c5 100644
--- a/pkgs/development/libraries/haskell/persistent-template/default.nix
+++ b/pkgs/development/libraries/haskell/persistent-template/default.nix
@@ -1,10 +1,10 @@
-{ cabal, monadControl, persistent, text }:
+{ cabal, monadControl, persistent, text, transformers }:
 
 cabal.mkDerivation (self: {
   pname = "persistent-template";
-  version = "0.6.3";
-  sha256 = "1vcjvfjxmv9c0wg7pbx0lw73128f5y0r4sfdsyq3jrkkiq1bgsxa";
-  buildDepends = [ monadControl persistent text ];
+  version = "0.6.3.1";
+  sha256 = "0hppxd80q7bnxz9vm08i278d9k95w6z139y73dy53ncqkp72ahrg";
+  buildDepends = [ monadControl persistent text transformers ];
   meta = {
     homepage = "http://www.yesodweb.com/book/persistent";
     description = "Type-safe, non-relational, multi-backend persistence";