diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+Version 0.2.1.1: September 25, 2009
+
+  * builds with colour-2.3.1, so update allowable version range
+
 Version 0.2.1: September 24, 2009
 
   * new shape primitive 'arc'
diff --git a/diagrams.cabal b/diagrams.cabal
--- a/diagrams.cabal
+++ b/diagrams.cabal
@@ -1,5 +1,5 @@
 Name:                diagrams
-Version:             0.2.1
+Version:             0.2.1.1
 Stability:           experimental
 Description:         An embedded domain-specific language (EDSL) for 
                      creating simple diagrams, built on top of the Cairo
@@ -25,7 +25,7 @@
     ghc-options: -Werror
   Build-Depends:     base >= 2 && < 5, mtl >= 1.0 && < 1.2,
                      containers >= 0.2 && < 0.3,
-                     cairo >= 0.9 && < 0.11, colour >= 2.2.1 && < 2.3
+                     cairo >= 0.9 && < 0.11, colour >= 2.2.1 && < 2.4
   Exposed-Modules:   Graphics.Rendering.Diagrams,
                      Graphics.Rendering.Diagrams.Types,
                      Graphics.Rendering.Diagrams.Paths,