diff --git a/package.json b/package.json
index 4624968..8cbd4a8 100644
--- a/package.json
+++ b/package.json
@@ -11,13 +11,13 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "async": "0.1.x",
-    "grunt": "~0.4.1",
-    "grunt-contrib-jshint": "~0.6.4",
-    "grunt-contrib-watch": "~0.5.3",
-    "grunt-karma": "~0.6.2",
-    "karma": "~0.10.2",
-    "grunt-conventional-changelog": "~1.0.0",
-    "load-grunt-tasks": "~0.2.0"
+    "async": "~2.1.2",
+    "grunt": "~1.0.1",
+    "grunt-contrib-jshint": "~1.0.0",
+    "grunt-contrib-watch": "~1.0.0",
+    "grunt-karma": "~2.0.0",
+    "karma": "~1.3.0",
+    "grunt-conventional-changelog": "~6.1.0",
+    "load-grunt-tasks": "~3.5.2"
   }
 }