diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
index c5ec38c5194..fa089f8bab3 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
@@ -51,4 +51,7 @@ self: super: {
   # Haddock chokes on the prologue from the cabal file.
   ChasingBottoms = dontHaddock super.ChasingBottoms;
 
+  # These packages need more recent versions of core libraries to compile.
+  happy = addBuildTools super.happy [self.containers_0_4_2_1 self.deepseq_1_3_0_1 self.containers_0_4_2_1];
+
 }