diff --git a/pipes-group.cabal b/pipes-group.cabal
--- a/pipes-group.cabal
+++ b/pipes-group.cabal
@@ -1,5 +1,5 @@
 Name: pipes-group
-Version: 1.0.5
+Version: 1.0.6
 Cabal-Version: >=1.10
 Build-Type: Simple
 License: BSD3
@@ -30,7 +30,7 @@
     Build-Depends:
         base         >= 4       && < 5  ,
         free         >= 3.2     && < 5  ,
-        pipes        >= 4.0     && < 4.3,
+        pipes        >= 4.0     && < 4.4,
         pipes-parse  >= 3.0.0   && < 3.1,
         transformers >= 0.2.0.0 && < 0.6
     Exposed-Modules: