--- Chart/Mountain.pm.orig	2015-03-01 20:01:36 UTC
+++ Chart/Mountain.pm
@@ -46,7 +46,7 @@ package Chart::Mountain;
 
 package Chart::Mountain;
 
-use Chart::Base '2.4.10';
+use Chart::Base;
 use GD;
 use Carp;
 use strict;