diff --git a/checkers.cabal b/checkers.cabal
--- a/checkers.cabal
+++ b/checkers.cabal
@@ -1,5 +1,5 @@
 Name:                checkers
-Version:             0.4.9.4
+Version:             0.4.9.5
 Cabal-Version:       >= 1.6
 Synopsis:            Check properties on standard classes and data structures.
 Category:            Testing
@@ -26,7 +26,7 @@
 Library
   hs-Source-Dirs:      src
   Extensions:
-  Build-Depends:       base >= 4.8 && < 5, random, QuickCheck>=2.3, array >= 0.1, semigroupoids >= 5 && < 6
+  Build-Depends:       base >= 4 && < 5, random, QuickCheck>=2.3, array >= 0.1, semigroupoids >= 5 && < 6
   Exposed-Modules:
                        Test.QuickCheck.Utils
                        Test.QuickCheck.Checkers