diff --git a/package.json b/package.json
index 73dac3a..0962d90 100644
--- a/package.json
+++ b/package.json
@@ -17,14 +17,14 @@
   "author": "Vojta Jina <vojta.jina@gmail.com>",
   "dependencies": {},
   "devDependencies": {
-    "grunt": "~0.4.1",
+    "grunt": "~1.0.1",
     "grunt-npm": "~0.0.2",
-    "grunt-bump": "~0.0.11",
-    "grunt-karma": "1.x || ~1.0.0",
-    "grunt-contrib-jshint": "~0.6.0",
+    "grunt-bump": "~0.8.0",
+    "grunt-karma": "2.0.0",
+    "grunt-contrib-jshint": "~1.0.0",
     "grunt-auto-release": "~0.0.3",
     "karma-jasmine": "1.x",
-    "karma-chrome-launcher": "1.x",
+    "karma-chrome-launcher": "2.0.0",
     "karma-firefox-launcher": "1.x"
   },
   "peerDependencies": {