--- ./testpack.cabal.orig	2013-02-25 16:03:46.000000000 +0100
+++ ./testpack.cabal	2013-05-04 00:08:00.417315359 +0200
@@ -39,7 +39,7 @@
 
  Build-Depends: base >= 3 && < 5,
                mtl, HUnit,
-               QuickCheck >= 2.1.0.3 && < 2.5
+               QuickCheck >= 2.1.0.3 && < 2.7
 
  If flag(splitBase)
    Build-Depends: base >= 3 && < 5, containers, random