diff --git a/mvc.cabal b/mvc.cabal
--- a/mvc.cabal
+++ b/mvc.cabal
@@ -1,5 +1,5 @@
 Name: mvc
-Version: 1.1.4
+Version: 1.1.5
 Cabal-Version: >=1.8.0.2
 Build-Type: Simple
 License: BSD3
@@ -33,7 +33,7 @@
         foldl             >= 1.1     && < 1.4,
         managed                         < 1.1,
         mmorph            >= 1.0.2   && < 1.1,
-        pipes             >= 4.1.7   && < 4.3.4,
+        pipes             >= 4.1.7   && < 4.3.5,
         pipes-concurrency >= 2.0.3   && < 2.1,
         transformers      >= 0.2.0.0 && < 0.6
     Exposed-Modules: