diff --git a/pkgs/development/libraries/haskell/yesod-core/default.nix b/pkgs/development/libraries/haskell/yesod-core/default.nix
index 20b344eb2f01..203729c71084 100644
--- a/pkgs/development/libraries/haskell/yesod-core/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-core/default.nix
@@ -1,19 +1,19 @@
-{ cabal, aesonNative, blazeBuilder, blazeHtml, caseInsensitive
-, cereal, clientsession, cookie, dataObject, dataObjectYaml
-, enumerator, failure, hamlet, httpTypes, monadControl, parsec
-, pathPieces, random, shakespeare, shakespeareCss, shakespeareJs
+{ cabal, aeson, blazeBuilder, blazeHtml, caseInsensitive, cereal
+, clientsession, cookie, dataObject, dataObjectYaml, enumerator
+, failure, hamlet, httpTypes, monadControl, parsec, pathPieces
+, random, shakespeare, shakespeareCss, shakespeareJs
 , strictConcurrency, text, time, transformers, vector, wai
 , waiExtra
 }:
 
 cabal.mkDerivation (self: {
   pname = "yesod-core";
-  version = "0.9.3.3";
-  sha256 = "0qy926x009mci17fhlrcn758vc9lxybzfg16pb69ydzbdr9lqa77";
+  version = "0.9.3.4";
+  sha256 = "1hnzmbspdj15480n0r4r1gayapwwz3d5r3hzj5k4qd9975lyxcw1";
   buildDepends = [
-    aesonNative blazeBuilder blazeHtml caseInsensitive cereal
-    clientsession cookie dataObject dataObjectYaml enumerator failure
-    hamlet httpTypes monadControl parsec pathPieces random shakespeare
+    aeson blazeBuilder blazeHtml caseInsensitive cereal clientsession
+    cookie dataObject dataObjectYaml enumerator failure hamlet
+    httpTypes monadControl parsec pathPieces random shakespeare
     shakespeareCss shakespeareJs strictConcurrency text time
     transformers vector wai waiExtra
   ];