diff --git a/Gruntfile.js b/Gruntfile.js
index 778247b481..6d18811cb5 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -5,7 +5,9 @@ module.exports = function(grunt) {
 		BUILD_DIR = 'build/';
 
 	// Load tasks.
-	require('matchdep').filterDev('grunt-*').forEach( grunt.loadNpmTasks );
+	require('matchdep').filterDev(['grunt-*', '!grunt-legacy-util']).forEach( grunt.loadNpmTasks );
+	// Load legacy utils
+	grunt.util = require('grunt-legacy-util');
 
 	// Project configuration.
 	grunt.initConfig({
diff --git a/package.json b/package.json
index a4109035d6..be529e9e25 100644
--- a/package.json
+++ b/package.json
@@ -10,21 +10,22 @@
   "license": "GPLv2 or later",
   "devDependencies": {
     "grunt": "~0.4.2",
+    "grunt-autoprefixer": "~0.7.1",
     "grunt-contrib-clean": "~0.5.0",
+    "grunt-contrib-compress": "~0.6.0",
+    "grunt-contrib-concat": "~0.3.0",
     "grunt-contrib-copy": "~0.5.0",
     "grunt-contrib-cssmin": "~0.7.0",
+    "grunt-contrib-imagemin": "~0.4.1",
+    "grunt-contrib-jshint": "~0.8.0",
     "grunt-contrib-qunit": "~0.4.0",
     "grunt-contrib-uglify": "~0.3.0",
     "grunt-contrib-watch": "~0.5.3",
-    "grunt-contrib-compress": "~0.6.0",
-    "grunt-contrib-concat": "~0.3.0",
-    "grunt-contrib-jshint": "~0.8.0",
     "grunt-cssjanus": "~0.2.2",
-    "grunt-sass": "~0.10.0",
-    "grunt-autoprefixer": "~0.7.1",
     "grunt-jsvalidate": "~0.2.2",
-    "grunt-contrib-imagemin" : "~0.4.1",
-    "grunt-patch-wordpress" : "~0.2.1",
+    "grunt-legacy-util": "^0.2.0",
+    "grunt-patch-wordpress": "~0.2.1",
+    "grunt-sass": "~0.10.0",
     "matchdep": "~0.3.0"
   }
 }