diff --git a/package.json b/package.json
index 65a1720..d195ea3 100644
--- a/package.json
+++ b/package.json
@@ -6,22 +6,22 @@
   "author": "Lars Thorup <lars@zealake.com>",
   "engine": "node 1.1.x",
   "devDependencies": {
-    "coveralls": "^2.11.3",
-    "grunt": "^0.4.4",
-    "grunt-cli": "^1.1.0",
+    "coveralls": "^2.11.9",
+    "grunt": "^1.0.1",
+    "grunt-cli": "^1.2.0",
     "grunt-contrib-clean": "^1.0.0",
     "grunt-contrib-jshint": "^1.0.0",
     "grunt-contrib-watch": "^1.0.0",
-    "grunt-karma": "~0.12.0",
-    "jasmine-core": "^2.3.4",
-    "karma": "~0.13.8",
-    "karma-chrome-launcher": "~0.2.0",
-    "karma-coverage": "^0.5.0",
-    "karma-firefox-launcher": "~0.1.3",
-    "karma-jasmine": "~0.3.6",
-    "karma-junit-reporter": "^0.4.1",
+    "grunt-karma": "~0.12.2",
+    "jasmine-core": "^2.4.1",
+    "karma": "~0.13.22",
+    "karma-chrome-launcher": "~0.2.3",
+    "karma-coverage": "^0.5.5",
+    "karma-firefox-launcher": "~0.1.7",
+    "karma-jasmine": "~0.3.8",
+    "karma-junit-reporter": "^0.4.2",
     "karma-phantomjs-launcher": "^1.0.0",
-    "phantomjs-prebuilt": "^2.1.3"
+    "phantomjs-prebuilt": "^2.1.7"
   },
   "scripts": {
     "coveralls": "cat ./output/coverage/*/lcov.info | ./node_modules/coveralls/bin/coveralls.js",