diff --git a/pipes-extras.cabal b/pipes-extras.cabal
--- a/pipes-extras.cabal
+++ b/pipes-extras.cabal
@@ -1,5 +1,5 @@
 Name: pipes-extras
-Version: 1.0.4
+Version: 1.0.5
 Cabal-Version: >=1.10
 Build-Type: Simple
 License: BSD3
@@ -37,8 +37,8 @@
     Build-Depends:
         base                       >= 4       && < 5   ,
         pipes-extras                                   ,
-        pipes                      >= 4.0     && < 4.2 ,
+        pipes                      >= 4.0     && < 4.3 ,
         test-framework             >= 0.4     && < 1   ,
         test-framework-hunit       >= 0.3     && < 1   ,
         HUnit                      >= 1.2     && < 1.4 ,
-        transformers               >= 0.2.0.0 && < 0.5
+        transformers               >= 0.2.0.0 && < 0.6