diff --git a/pipes-extras.cabal b/pipes-extras.cabal
index 2cf563a..9d1a072 100644
--- a/pipes-extras.cabal
+++ b/pipes-extras.cabal
@@ -36,10 +36,10 @@ test-suite tests
     Default-Language: Haskell2010
 
     Build-Depends:
-        base                       >= 4       && < 5   ,
-        pipes-extras                                   ,
-        pipes                      >= 4.0     && < 4.4 ,
+        base,
+        pipes-extras,
+        pipes,
         test-framework             >= 0.4     && < 1   ,
         test-framework-hunit       >= 0.3     && < 1   ,
         HUnit                      >= 1.2     && < 1.7 ,
-        transformers               >= 0.2.0.0 && < 0.6
+        transformers