diff --git a/control-event.cabal b/control-event.cabal
--- a/control-event.cabal
+++ b/control-event.cabal
@@ -1,5 +1,5 @@
 name:                control-event
-version:             1.1.0.2
+version:             1.1.0.3
 synopsis:            Event scheduling system.
 description:         Allows scheduling and canceling of IO actions to be
                      executed at a specified future time.
@@ -17,7 +17,7 @@
 Library
   build-Depends:       base >= 4.0 && < 5,
                        time >= 1.1 && < 1.2,
-                       containers >= 0.1 && < 0.3,
+                       containers >= 0.1 && < 0.4,
                        stm >= 2.1 && < 2.2
   extensions:          DeriveDataTypeable
   exposed-modules:     Control.Event, Control.Event.Timeout, Control.Event.Relative