diff --git a/pkgs/development/libraries/haskell/generic-aeson/default.nix b/pkgs/development/libraries/haskell/generic-aeson/default.nix
index 9c18b511efc..4ad9ab11fad 100644
--- a/pkgs/development/libraries/haskell/generic-aeson/default.nix
+++ b/pkgs/development/libraries/haskell/generic-aeson/default.nix
@@ -1,15 +1,16 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
 { cabal, aeson, attoparsec, genericDeriving, mtl, tagged, text
-, vector
+, unorderedContainers, vector
 }:
 
 cabal.mkDerivation (self: {
   pname = "generic-aeson";
-  version = "0.1.1.1";
-  sha256 = "14jpma2p4dxmzpwd557igbg7xhgdzp9w9fm6dxa06sgfqxvb7ln1";
+  version = "0.2.0.0";
+  sha256 = "0w7bwmbjsskynyfisnhp4piikdw2jkr4zg24c9ipsp28szy8qsb9";
   buildDepends = [
-    aeson attoparsec genericDeriving mtl tagged text vector
+    aeson attoparsec genericDeriving mtl tagged text
+    unorderedContainers vector
   ];
   meta = {
     description = "Derivation of Aeson instances using GHC generics";