diff --git a/graph-rewriting-layout.cabal b/graph-rewriting-layout.cabal
--- a/graph-rewriting-layout.cabal
+++ b/graph-rewriting-layout.cabal
@@ -1,5 +1,5 @@
 Name:          graph-rewriting-layout
-Version:       0.5.2
+Version:       0.5.3
 Copyright:     (c) 2010, Jan Rochel
 License:       BSD3
 License-File:  LICENSE
@@ -15,7 +15,7 @@
 
 Library
   Build-Depends:
-    base >= 4 && < 4.7,
+    base >= 4 && < 4.8,
     base-unicode-symbols >= 0.2 && < 0.3,
     graph-rewriting >= 0.5 && < 0.8,
     AC-Vector >= 2.3 && < 2.4