--- dia-functions.cabal.orig	2017-07-11 15:29:54 UTC
+++ dia-functions.cabal
@@ -30,7 +30,7 @@ library
   Build-Depends:
     data-pprint >= 0.2 && < 0.3,
     dia-base >= 0.1 && < 0.2,
-    base >= 4.0 && < 4.9,
+    base >= 4.0 && < 5,
     containers >= 0.4 && < 0.6,
     xhtml >= 3000.2 && < 3000.3,
     mtl >= 2.0 && < 2.3,