diff --git a/sox.cabal b/sox.cabal
--- a/sox.cabal
+++ b/sox.cabal
@@ -1,5 +1,5 @@
 Name:             sox
-Version:          0.2.3
+Version:          0.2.3.1
 License:          GPL
 License-File:     LICENSE
 Author:           Henning Thielemann <haskell@henning-thielemann.de>
@@ -31,7 +31,7 @@
   description: Choose the new smaller, split-up base package.
 
 Source-Repository this
-  Tag:         0.2.3
+  Tag:         0.2.3.1
   Type:        darcs
   Location:    http://hub.darcs.net/thielema/sox/
 
@@ -51,7 +51,7 @@
   If flag(splitBase)
     Build-Depends:
       process >=1.0 && <1.7,
-      containers >=0.1 && <0.6,
+      containers >=0.1 && <0.7,
       base >=2 && <5
   Else
     Build-Depends: