diff --git a/udbus.cabal b/udbus.cabal
--- a/udbus.cabal
+++ b/udbus.cabal
@@ -1,5 +1,5 @@
 Name:                udbus
-Version:             0.2.2
+Version:             0.2.3
 Description:         Small and flexible implementation of the dbus protocol.
 License:             BSD3
 License-file:        LICENSE
@@ -61,7 +61,7 @@
   Main-is:           Tests.hs
   if flag(test)
     Buildable:       True
-    Build-Depends:   base >= 3 && < 5
+    Build-Depends:   base
                    , QuickCheck >= 2
                    , test-framework
                    , test-framework-quickcheck2