diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,16 @@
+0.5.0.1 (27 January 2014)
+-------------------------
+
+    - Allow hashable-1.1
+
+0.5 (27 January 2014)
+---------------------
+
+    - Consolidate buildDiagram arguments into a single record of
+      arguments.
+    - Add a `postProcess` argument, a function to be applied to the
+      interpreted diagram.
+
 0.4.2 (26 November 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:             0.5
+version:             0.5.0.1
 synopsis:            hint-based build service for the diagrams graphics EDSL.
 
 description:         @diagrams-builder@ provides backend-agnostic tools for
@@ -58,7 +58,7 @@
                        haskell-src-exts >= 1.14 && < 1.15,
                        cmdargs >= 0.6 && < 0.11,
                        lens >= 3.9 && < 3.11,
-                       hashable >= 1.2 && < 1.3
+                       hashable >= 1.1 && < 1.3
   hs-source-dirs:      src
   default-language:    Haskell2010
   other-extensions:    StandaloneDeriving,