diff --git a/pkgs/development/libraries/haskell/persistent/default.nix b/pkgs/development/libraries/haskell/persistent/default.nix
index 527bbf9f2ae..59fe42ff65e 100644
--- a/pkgs/development/libraries/haskell/persistent/default.nix
+++ b/pkgs/development/libraries/haskell/persistent/default.nix
@@ -5,8 +5,8 @@
 
 cabal.mkDerivation (self: {
   pname = "persistent";
-  version = "0.6.4.3";
-  sha256 = "0j4agwm8hcphrmzmc7d7al57cwp3i5iy7d8yhqw9m8pcx61sqkg4";
+  version = "0.6.4.4";
+  sha256 = "0n4zl0r8nmp3pwsgc0kiy7fgk2dfvdvagv1gvjxrs8545c5ycggv";
   buildDepends = [
     blazeHtml dataObject enumerator monadControl mtl pathPieces pool
     text time transformers transformersBase