diff --git a/pkgs/development/libraries/haskell/persistent/default.nix b/pkgs/development/libraries/haskell/persistent/default.nix
index 7ccbe145d70..a336ab4fb88 100644
--- a/pkgs/development/libraries/haskell/persistent/default.nix
+++ b/pkgs/development/libraries/haskell/persistent/default.nix
@@ -7,8 +7,8 @@
 
 cabal.mkDerivation (self: {
   pname = "persistent";
-  version = "1.2.2.0";
-  sha256 = "18p3yz683ks0gdn1l4qys29jj7iqhlwh7i0s50bkl4x1w0mpa1kh";
+  version = "1.2.3.0";
+  sha256 = "0bil1932rnh3my9yjyc4sk24g0qwkkgv8b48nrn7fm007vyf173m";
   buildDepends = [
     aeson attoparsec base64Bytestring blazeHtml blazeMarkup conduit
     liftedBase monadControl monadLogger pathPieces poolConduit