@@ -261,6 +261,7 @@ defaultConfiguration = Configuration
261261 , "control-monad-free < 0.6" -- newer versions don't compile with anything but GHC 7.8.x
262262 , "HStringTemplate < 0.8" -- 0.8 depends on time >= 1.5, which we cannot provide in GHC 7.8.x
263263 , "mtl == 2.1.*" -- newer versions require transformers > 0.4.x, which we cannot provide in GHC 7.8.x
264+ , "QuickCheck < 2.8" -- 2.8 breaks chell-quickcheck-0.2.4
264265 , "utf8-string < 1" -- version 1 breaks several packages right now, most notably hint
265266 ]
266267