diff --git a/pkgs/development/libraries/haskell/heist/default.nix b/pkgs/development/libraries/haskell/heist/default.nix
index b8f709a402c..e97fecb67bb 100644
--- a/pkgs/development/libraries/haskell/heist/default.nix
+++ b/pkgs/development/libraries/haskell/heist/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "heist";
-  version = "0.13.0.2";
-  sha256 = "0rbzizgrvwj505dk7qyc9ky5vwyaxyj91xz1dsv0mv7cjl9pp17n";
+  version = "0.13.0.3";
+  sha256 = "0aynsb74i7yzw02cqd9fhcbz6sqkid98l6gpzxssaydq7vnkpj7a";
   buildDepends = [
     aeson attoparsec blazeBuilder blazeHtml directoryTree dlist errors
     filepath hashable MonadCatchIOTransformers mtl random text time