diff --git a/midi.cabal b/midi.cabal
--- a/midi.cabal
+++ b/midi.cabal
@@ -1,5 +1,5 @@
 Name:             midi
-Version:          0.1.3
+Version:          0.1.3.1
 License:          GPL
 License-File:     LICENSE
 Author:           Henning Thielemann <haskell@henning-thielemann.de>
@@ -31,9 +31,9 @@
   Build-Depends: event-list >=0.0.6 && < 0.1, non-negative>=0.0.1 && <0.1
   Build-Depends: explicit-exception >=0.1 && <0.2
   Build-Depends: bytestring >=0.9.0.1 && <0.10, binary >=0.4.2 && <0.5
-  Build-Depends: transformers >=0.0.1 && <0.1, QuickCheck >=1 && <2
+  Build-Depends: transformers >=0.0.1 && <0.2, QuickCheck >=1 && <2
   If flag(splitBase)
-    Build-Depends: base >= 2, random
+    Build-Depends: base >= 2, random >=1 && <2
   Else
     Build-Depends: base >= 1.0 && < 2