diff --git a/dataflow.cabal b/dataflow.cabal
--- a/dataflow.cabal
+++ b/dataflow.cabal
@@ -1,5 +1,5 @@
 name:                dataflow
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Generate Graphviz documents from a Haskell representation.
 description:         Outputs .dot files that can be processed by the dot
                      command. Currently it only supports the DFD format.
@@ -17,7 +17,7 @@
     DataFlow.Core,
     DataFlow.DFD
   build-depends:
-    base >=4.6 && <4.8,
+    base >=4 && <4.8,
     mtl >=2.2
   hs-source-dirs:      src
   default-language:    Haskell2010