diff --git a/package.json b/package.json
index b5903ac3..8470dece 100644
--- a/package.json
+++ b/package.json
@@ -29,27 +29,27 @@
   ],
   "license": "http://bpmn.io/license",
   "devDependencies": {
-    "brfs": "~1.0.0",
+    "brfs": "^1.0.2",
     "exposify": "https://github.com/Nikku/exposify/archive/v0.2.0-transform-arguments-0.tar.gz",
-    "grunt": "~0.4.4",
-    "grunt-browserify": "~2.1.0",
-    "grunt-contrib-jshint": "~0.7.2",
-    "grunt-contrib-uglify": "~0.4.0",
-    "grunt-contrib-watch": "~0.5.0",
-    "grunt-jsdoc": "~0.5.1",
-    "grunt-karma": "~0.8.0",
-    "grunt-release": "~0.7.0",
+    "grunt": "^0.4.4",
+    "grunt-browserify": "^2.1.2",
+    "grunt-contrib-jshint": "^0.7.2",
+    "grunt-contrib-uglify": "^0.4.1",
+    "grunt-contrib-watch": "^0.5.3",
+    "grunt-jsdoc": "^0.5.1",
+    "grunt-karma": "^0.8.0",
+    "grunt-release": "^0.7.0",
     "jasmine-test-container-support": "0.0.1",
     "jsondiffpatch": "^0.1.7",
     "karma": "^0.12.12",
-    "karma-bro": "~0.6.0",
+    "karma-bro": "^0.6.2",
     "karma-chrome-launcher": "^0.1.2",
     "karma-firefox-launcher": "^0.1.3",
     "karma-ie-launcher": "^0.1.4",
     "karma-jasmine": "https://github.com/Nikku/karma-jasmine/archive/jasmine-v2.0.0-latest-1.tar.gz",
     "karma-phantomjs-launcher": "^0.1.2",
-    "load-grunt-tasks": "~0.3.0",
-    "time-grunt": "~0.3.0"
+    "load-grunt-tasks": "^0.3.0",
+    "time-grunt": "^0.3.2"
   },
   "dependencies": {
     "bpmn-moddle": "~0.2.0",