diff --git a/Gruntfile.js b/Gruntfile.js
index 8c5452b..3e4c95a 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -38,6 +38,10 @@ module.exports = function(grunt) {
     browserName: 'internet explorer',
     platform: 'XP',
     version: '7'
+  }, {
+    browserName: 'internet explorer',
+    platform: 'XP',
+    version: '6'
   }, {
     browserName: 'safari',
     platform: 'OS X 10.8',