diff --git a/Gruntfile.js b/Gruntfile.js
index 582f4ac308..e9a3652f40 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -163,7 +163,7 @@ module.exports = function (grunt) {
           'Explorer >= 9',
           'iOS >= 7',
           'Opera >= 12',
-          'Safari >= 6'
+          'Safari >= 7.1'
         ]
       },
       core: {