diff --git a/package.json b/package.json
index 14e5bf1..f4be7ca 100644
--- a/package.json
+++ b/package.json
@@ -31,13 +31,13 @@
     "after-deploy": "grunt after-deploy"
   },
   "devDependencies": {
-    "grunt": "^0.4.5",
-    "grunt-cli": "^0.1.13",
-    "grunt-contrib-clean": "^0.6.0",
-    "grunt-contrib-jshint": "^0.10.0",
-    "grunt-contrib-nodeunit": "^0.4.1",
+    "grunt": "^1.0.1",
+    "grunt-cli": "^1.2.0",
+    "grunt-contrib-clean": "^1.0.0",
+    "grunt-contrib-jshint": "^1.0.0",
+    "grunt-contrib-nodeunit": "^1.0.0",
     "grunt-semantic-release": "^0.2.1",
-    "load-grunt-tasks": "^2.0.0"
+    "load-grunt-tasks": "^3.5.2"
   },
   "peerDependencies": {
     "grunt": ">=0.4.0"
@@ -46,7 +46,7 @@
     "gruntplugin"
   ],
   "dependencies": {
-    "async": "^0.9.0",
+    "async": "^2.1.2",
     "gm": "^1.14.2"
   }
 }