diff --git a/package.json b/package.json
index 6810c21f28..1aa10146e4 100644
--- a/package.json
+++ b/package.json
@@ -6,9 +6,9 @@
   "dependencies": {},
   "repository": {},
   "devDependencies": {
-    "grunt": "^0.4.5",
-    "grunt-contrib-cssmin": "^1.0.1",
-    "grunt-contrib-uglify": "^0.11.1",
+    "grunt": "^1.0.1",
+    "grunt-contrib-cssmin": "^2.2.1",
+    "grunt-contrib-uglify": "^3.1.0",
     "grunt-hub": "^0.7.0",
     "grunt-newer": "^1.2.0"
   }