diff --git a/dbus-client.cabal b/dbus-client.cabal
--- a/dbus-client.cabal
+++ b/dbus-client.cabal
@@ -1,5 +1,5 @@
 name: dbus-client
-version: 0.4.0.2
+version: 0.4.0.3
 synopsis: Monadic and object-oriented interfaces to DBus
 license: GPL-3
 license-file: License.txt
@@ -33,7 +33,7 @@
   build-depends:
       base >= 4.0 && < 5
     , dbus-core >= 0.8 && < 0.9
-    , containers >= 0.1 && < 0.4
+    , containers >= 0.1 && < 0.5
     , text >= 0.7 && < 0.11
     , transformers >= 0.2 && < 0.3
     , monads-tf >= 0.1 && < 0.2