--- ./dia-base.cabal.orig	2012-09-11 09:44:42.000000000 +0200
+++ ./dia-base.cabal	2014-07-12 22:27:19.000000000 +0200
@@ -27,7 +27,7 @@
     Graphics.Diagrams
 
   Build-Depends:
-    base >= 4.0 && < 4.7,
+    base >= 4.0 && < 4.8,
     deepseq >= 1.1 && < 1.4