diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,8 @@
+0.4.0.6 (2 October 2013)
+------------------------
+
+    - allow cryptohash-0.11
+
 0.4.0.5 (11 September 2013)
 ---------------------------
 
diff --git a/diagrams-builder.cabal b/diagrams-builder.cabal
--- a/diagrams-builder.cabal
+++ b/diagrams-builder.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-builder
-version:             0.4.0.5
+version:             0.4.0.6
 synopsis:            hint-based build service for the diagrams graphics EDSL.
 
 description:         @diagrams-builder@ provides backend-agnostic tools for
@@ -54,7 +54,7 @@
                        transformers >= 0.3 && < 0.4,
                        split >= 0.2 && < 0.3,
                        haskell-src-exts >= 1.13.1 && < 1.15,
-                       cryptohash >= 0.8 && < 0.11,
+                       cryptohash >= 0.8 && < 0.12,
                        bytestring >= 0.9.2 && < 0.11,
                        cmdargs >= 0.6 && < 0.11
   hs-source-dirs:      src