diff --git a/pkgs/development/libraries/haskell/haskell-packages/default.nix b/pkgs/development/libraries/haskell/haskell-packages/default.nix
index 9c6997a9db93..0044d6aa0527 100644
--- a/pkgs/development/libraries/haskell/haskell-packages/default.nix
+++ b/pkgs/development/libraries/haskell/haskell-packages/default.nix
@@ -1,16 +1,17 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
-{ cabal, aeson, Cabal, deepseq, either, filepath, haskellSrcExts
-, hseCpp, mtl, optparseApplicative, tagged
+{ cabal, aeson, Cabal, deepseq, filepath, haskellSrcExts, hseCpp
+, mtl, optparseApplicative, tagged, transformers
+, transformersCompat
 }:
 
 cabal.mkDerivation (self: {
   pname = "haskell-packages";
-  version = "0.2.4.1";
-  sha256 = "014zcq27rwsgj3n4kdgswbppr5yzf3lnj5gnv45r3i5c3rd1mz6k";
+  version = "0.2.4.2";
+  sha256 = "03qg6b6vy9c8j9k91jajkjhswcks64vcdd28606aac0bw68lkjkg";
   buildDepends = [
-    aeson Cabal deepseq either filepath haskellSrcExts hseCpp mtl
-    optparseApplicative tagged
+    aeson Cabal deepseq filepath haskellSrcExts hseCpp mtl
+    optparseApplicative tagged transformers transformersCompat
   ];
   meta = {
     homepage = "http://documentup.com/haskell-suite/haskell-packages";