diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
index 9111be3ba55..6d56fd3b84d 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
@@ -86,4 +86,10 @@ self: super: {
   # Test suite fails in "/tokens_bytestring_unicode.g.bin".
   alex = dontCheck super.alex;
 
+  # Upstream was notified about the over-specified constraint on 'base'
+  # but refused to do anything about it because he "doesn't want to
+  # support a moving target". Go figure.
+  barecheck = doJailbreak super.barecheck;
+  cartel = overrideCabal super.cartel (drv: { doCheck = false; patchPhase = "sed -i -e 's|base >= .*|base|' cartel.cabal"; });
+
 }