diff --git a/Gruntfile.js b/Gruntfile.js
index 41f7ed3315..e4f00bdb44 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -132,7 +132,10 @@ module.exports = function(grunt) {
 
     validation: {
       options: {
-        reset: true
+        reset: true,
+        relaxerror: [
+            "Bad value X-UA-Compatible for attribute http-equiv on element meta."
+        ]
       },
       files: {
         src: ["_gh_pages/**/*.html"]
diff --git a/package.json b/package.json
index a4b5fdefba..9e6f60a3b0 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     , "grunt-contrib-qunit": "~0.3.0"
     , "grunt-contrib-uglify": "~0.2.4"
     , "grunt-contrib-watch": "~0.5.3"
-    , "grunt-html-validation": "~0.1.5"
+    , "grunt-html-validation": "~0.1.6"
     , "grunt-jekyll": "~0.4.0"
     , "grunt-recess": "~0.4.0"
   }