diff --git a/graph-rewriting-strategies.cabal b/graph-rewriting-strategies.cabal
--- a/graph-rewriting-strategies.cabal
+++ b/graph-rewriting-strategies.cabal
@@ -1,5 +1,5 @@
 Name:          graph-rewriting-strategies
-Version:       0.2.1
+Version:       0.2.2
 Copyright:     2012, Robert Kreuzer, Jan Rochel
 License:       BSD3
 License-File:  LICENSE
@@ -9,16 +9,16 @@
 Stability:     alpha
 Build-Type:    Simple
 Synopsis:      Evaluation strategies for port-graph rewriting systems
-Description:   Defines a mechanism to add evaluation strategies to graph rewriting systems. Currently only leftmost-outermost reduction is implemented.
+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
 
 Library
   Build-Depends:
-    base >= 4 && < 4.6,
+    base >= 4 && < 4.7,
     base-unicode-symbols >= 0.2 && < 0.3,
     graph-rewriting >= 0.7 && < 0.8,
-    containers >= 0.4 && < 0.5
+    containers >= 0.4 && < 0.6
   Exposed-Modules:
     GraphRewriting.Strategies.Control
     GraphRewriting.Strategies.LeftmostOutermost