diff --git a/AUTHORS b/AUTHORS
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,2 +1,3 @@
+Robert Kreuzer
 Jan Rochel
 Chas Leichner (Google Inc.)
diff --git a/GraphRewriting/Strategies/Control.hs b/GraphRewriting/Strategies/Control.hs
--- a/GraphRewriting/Strategies/Control.hs
+++ b/GraphRewriting/Strategies/Control.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE UnicodeSyntax, FlexibleInstances, MultiParamTypeClasses, FlexibleContexts, OverlappingInstances #-}
+{-# LANGUAGE UnicodeSyntax, FlexibleInstances, MultiParamTypeClasses, FlexibleContexts #-}
 module GraphRewriting.Strategies.Control where
 
 import Data.View
@@ -10,7 +10,7 @@
 
 data Control = Control {stack ∷ [Node]} | NoControl
 
-instance View Control (Wrapper n) where
+instance {-# Overlapping #-} View Control (Wrapper n) where
 	inspect = control
 	update c n = n {control = c}
 
diff --git a/graph-rewriting-strategies.cabal b/graph-rewriting-strategies.cabal
--- a/graph-rewriting-strategies.cabal
+++ b/graph-rewriting-strategies.cabal
@@ -1,30 +1,32 @@
 Name:          graph-rewriting-strategies
-Version:       0.2.6
+Version:       0.2.9
 Copyright:     2012, Robert Kreuzer, Jan Rochel
 License:       BSD3
 License-File:  LICENSE
 Author:        Robert Kreuzer, Jan Rochel
 Maintainer:    jan@rochel.info
-Homepage:      http://rochel.info/#graph-rewriting
-Stability:     alpha
+Homepage:      https://github.com/jrochel/graph-rewriting
+Bug-Reports:   https://github.com/jrochel/graph-rewriting/issues
 Build-Type:    Simple
 Synopsis:      Evaluation strategies for port-graph rewriting systems
 Description:   Defines a mechanism to add evaluation strategies to graph rewriting systems defined in terms of the graph-rewriting library. Currently only leftmost-outermost reduction is implemented.
-Category:      Graphs, Graphics
-Cabal-Version: >= 1.6
+Category:      Graphs
+Cabal-Version: >= 1.10
 Extra-Source-Files: AUTHORS
 
 Library
+  Default-Language: Haskell2010
   Build-Depends:
-    base >= 4.8 && < 4.10,
+    base >= 4.9 && < 5,
     base-unicode-symbols >= 0.2 && < 0.3,
-    graph-rewriting >= 0.7.8,
-    containers >= 0.4 && < 0.6
+    graph-rewriting >= 0.7.8 && < 0.9.0,
+    containers >= 0.4 && < 0.7
   Exposed-Modules:
     GraphRewriting.Strategies.Control
     GraphRewriting.Strategies.LeftmostOutermost
-  Extensions:
+  Default-Extensions:
     UnicodeSyntax
+  Other-Extensions:
     FlexibleInstances
     MultiParamTypeClasses
     FlexibleContexts