diff --git a/Data/Graph/Wrapper.hs b/Data/Graph/Wrapper.hs
--- a/Data/Graph/Wrapper.hs
+++ b/Data/Graph/Wrapper.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE FlexibleContexts #-}
+
 -- | A wrapper around the types and functions from "Data.Graph" to make programming with them less painful. Also
 -- implements some extra useful goodies such as 'successors' and 'sccGraph', and improves the documentation of
 -- the behaviour of some functions.
diff --git a/graph-wrapper.cabal b/graph-wrapper.cabal
--- a/graph-wrapper.cabal
+++ b/graph-wrapper.cabal
@@ -1,14 +1,18 @@
-Cabal-Version:      >= 1.2
+Cabal-Version:      >= 1.6
 Build-Type:         Simple
 Name:               graph-wrapper
-Version:            0.2.4.3
-Maintainer:         Max Bolingbroke <batterseapower@hotmail.com>
-Homepage:           http://www.github.com/batterseapower/graph-wrapper
+Version:            0.2.4.4
+Maintainer:         Max Bolingbroke <batterseapower@hotmail.com>, Sönke Hahn <soenkehahn@gmail.com>
+Homepage:           https://github.com/soenkehahn/graph-wrapper
 License:            BSD3
 License-File:       LICENSE
 Author:             Max Bolingbroke
 Synopsis:           A wrapper around the standard Data.Graph with a less awkward interface
 Category:           Data Structures, Graphs
+
+source-repository head
+    type: git
+    location: https://github.com/soenkehahn/graph-wrapper
 
 Library
     Exposed-Modules:    Data.Graph.Wrapper
