diff --git a/diagrams-lib.cabal b/diagrams-lib.cabal
--- a/diagrams-lib.cabal
+++ b/diagrams-lib.cabal
@@ -1,5 +1,5 @@
 Name:                diagrams-lib
-Version:             0.5
+Version:             0.5.0.1
 Synopsis:            Embedded domain-specific language for declarative graphics
 Description:         Diagrams is a flexible, extensible EDSL for creating
                      graphics of many types.  Graphics can be created
@@ -66,7 +66,7 @@
                        vector-space >= 0.7.7 && < 0.9,
                        NumInstances >= 1.0 && < 1.1,
                        colour >= 2.3.2 && < 2.4,
-                       data-default >= 0.2 && < 0.4,
+                       data-default >= 0.2 && < 0.6,
                        pretty >= 1.0.1.2 && < 1.2,
                        newtype >= 0.2 && < 0.3
   Hs-source-dirs:      src