diff --git a/package.json b/package.json
index 2a9262a..4862eb5 100644
--- a/package.json
+++ b/package.json
@@ -6,15 +6,15 @@
   "devDependencies": {
     "connect-logger": "0.0.1",
     "connect-proxy-layer": "^0.1.2",
-    "grunt": "^0.4.5",
+    "grunt": "~1.0",
     "grunt-bg-shell": "^2.3.1",
-    "grunt-contrib-clean": "^1.0.0",
-    "grunt-contrib-concat": "^0.5.1",
-    "grunt-contrib-connect": "^0.11.2",
-    "grunt-contrib-cssmin": "^0.14.0",
-    "grunt-contrib-jshint": "^1.0.0",
-    "grunt-contrib-uglify": "^0.11.1",
-    "grunt-contrib-watch": "^0.6.1",
+    "grunt-contrib-clean": "~1.0",
+    "grunt-contrib-concat": "~1.0",
+    "grunt-contrib-connect": "~1.0",
+    "grunt-contrib-cssmin": "~1.0",
+    "grunt-contrib-jshint": "~1.0",
+    "grunt-contrib-uglify": "~1.0",
+    "grunt-contrib-watch": "~1.0",
     "grunt-copy": "^0.1.0",
     "grunt-filerev": "^2.3.1",
     "grunt-flake8": "^0.1.3",
@@ -22,10 +22,10 @@
     "grunt-include-source": "^0.7.1",
     "grunt-jscs": "^2.7.0",
     "grunt-newer": "^1.1.1",
-    "grunt-ng-annotate": "^1.0.1",
+    "grunt-ng-annotate": "~2.0",
     "grunt-shell": "^1.1.2",
     "grunt-usemin": "^3.1.1",
-    "grunt-wiredep": "^2.0.0",
+    "grunt-wiredep": "~3.0",
     "jshint-stylish": "^2.1.0",
     "load-grunt-configs": "^0.4.3",
     "load-grunt-tasks": "^3.2.0",