diff --git a/pkgs/development/libraries/haskell/heist/default.nix b/pkgs/development/libraries/haskell/heist/default.nix
index b1422f616c9..9927e65cfc3 100644
--- a/pkgs/development/libraries/haskell/heist/default.nix
+++ b/pkgs/development/libraries/haskell/heist/default.nix
@@ -1,19 +1,19 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
 { cabal, aeson, attoparsec, blazeBuilder, blazeHtml, directoryTree
-, dlist, errors, filepath, hashable, MonadCatchIOTransformers, mtl
-, random, text, time, transformers, unorderedContainers, vector
-, xmlhtml
+, dlist, errors, filepath, hashable, mapSyntax
+, MonadCatchIOTransformers, mtl, random, text, time, transformers
+, unorderedContainers, vector, xmlhtml
 }:
 
 cabal.mkDerivation (self: {
   pname = "heist";
-  version = "0.13.1.2";
-  sha256 = "0c80lf00n3iv55mw4p61bjx14gildvxnvfdaa755ghkg1wcd59s5";
+  version = "0.14.0.1";
+  sha256 = "1nhksdn95v35ymml3kgm70axjl4vkjfvj1wvlcm1a1frlnbk993w";
   buildDepends = [
     aeson attoparsec blazeBuilder blazeHtml directoryTree dlist errors
-    filepath hashable MonadCatchIOTransformers mtl random text time
-    transformers unorderedContainers vector xmlhtml
+    filepath hashable mapSyntax MonadCatchIOTransformers mtl random
+    text time transformers unorderedContainers vector xmlhtml
   ];
   jailbreak = true;
   meta = {