diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+Version 0.2.2.2: December 3, 2010
+
+  * Update containers dependency
+  * Tested with GHC 7.0.1
+
 Version 0.2.2.1: November 13, 2010
 
   * update cairo dependency; compiles fine with cairo 0.12
diff --git a/diagrams.cabal b/diagrams.cabal
--- a/diagrams.cabal
+++ b/diagrams.cabal
@@ -1,5 +1,5 @@
 Name:                diagrams
-Version:             0.2.2.1
+Version:             0.2.2.2
 Stability:           experimental
 Description:         An embedded domain-specific language (EDSL) for 
                      creating simple diagrams, built on top of the Cairo
@@ -14,7 +14,7 @@
 Category:            Graphics
 Build-type:          Simple
 Cabal-version:       >= 1.6
-Tested-with:         GHC==6.12.1, GHC==6.10.4
+Tested-with:         GHC==7.0.1, GHC==6.12.1, GHC==6.10.4
 
 flag testing
   description: Testing mode
@@ -25,7 +25,7 @@
   if flag(testing)
     ghc-options: -Werror
   Build-Depends:     base >= 2 && < 5, mtl >= 2.0 && < 2.1,
-                     containers >= 0.2 && < 0.4,
+                     containers >= 0.2 && < 0.5,
                      cairo >= 0.9 && < 0.13, colour >= 2.2.1 && < 2.4
   Exposed-Modules:   Graphics.Rendering.Diagrams,
                      Graphics.Rendering.Diagrams.Types,