--- contravariant-0.4.4/contravariant.cabal~	2013-08-20 23:16:27.000000000 +0900
+++ contravariant-0.4.4/contravariant.cabal	2014-03-24 16:16:35.242334031 +0900
@@ -25,8 +25,7 @@
   build-depends:
     base                            < 5,
     tagged              >= 0.4.4 && < 1,
-    transformers        >= 0.2   && < 0.4,
-    transformers-compat >= 0.1   && < 1
+    transformers        >= 0.3   && < 0.4
   exposed-modules:
     Data.Functor.Contravariant
     Data.Functor.Contravariant.Compose