diff --git a/reactive-balsa.cabal b/reactive-balsa.cabal
--- a/reactive-balsa.cabal
+++ b/reactive-balsa.cabal
@@ -1,12 +1,11 @@
 Name:             reactive-balsa
-Version:          0.4
+Version:          0.4.0.1
 License:          BSD3
 License-File:     LICENSE
 Author:           Henning Thielemann <haskell@henning-thielemann.de>
 Maintainer:       Henning Thielemann <haskell@henning-thielemann.de>
 Homepage:         http://www.haskell.org/haskellwiki/Reactive-balsa
 Category:         Sound, Music
-Build-Type:       Simple
 Synopsis:         Programmatically edit MIDI events via ALSA and reactive-banana
 Description:
    MIDI is the Musical Instrument Digital Interface,
@@ -45,7 +44,7 @@
 Source-Repository this
   type:     darcs
   location: http://hub.darcs.net/thielema/reactive-balsa/
-  tag:      0.4
+  tag:      0.4.0.1
 
 Flag splitBase
   description: Choose the new smaller, split-up base package.
@@ -58,13 +57,13 @@
     midi >=0.2 && <0.3,
     alsa-seq >=0.6 && <0.7,
     alsa-core >=0.5 && <0.6,
-    event-list >=0.1 && < 0.2,
+    event-list >=0.1 && <0.2,
     non-negative >=0.1 && <0.2,
     data-accessor-transformers >=0.2.1 && <0.3,
     data-accessor >=0.2.1 && <0.3,
     non-empty >=0.2.1 && <0.4,
     utility-ht >=0.0.8 && <0.1,
-    containers >=0.2 && <0.6,
+    containers >=0.2 && <0.7,
     transformers >=0.2 && <0.6,
     extensible-exceptions >=0.1 && <0.2
   If flag(splitBase)