Bump 'containers' dependency version.
diff --git a/gnome-keyring.cabal b/gnome-keyring.cabal
index 851e5fb..c90a0f2 100644
--- a/gnome-keyring.cabal
+++ b/gnome-keyring.cabal
@@ -1,5 +1,5 @@
 name: gnome-keyring
-version: 0.2.2.3
+version: 0.2.2.4
 synopsis: Bindings for libgnome-keyring
 license: GPL-3
 license-file: license.txt
@@ -36,7 +36,7 @@
       base >= 4 && < 5
     , text >= 0.7 && < 0.11
     , bytestring >= 0.9 && < 0.10
-    , containers >= 0.3 && < 0.4
+    , containers >= 0.3 && < 0.5
     , time >= 1.1 && < 1.3
 
   build-tools: