diff --git a/package.json b/package.json
index 776135c..7b30df6 100644
--- a/package.json
+++ b/package.json
@@ -19,11 +19,11 @@
   "dependencies": {},
   "devDependencies": {
     "async": "0.1.x",
-    "grunt": "~0.4.1",
+    "grunt": "~1.6.1",
     "grunt-contrib-jshint": "~0.6.4",
     "grunt-contrib-watch": "~0.5.3",
-    "grunt-karma": "~0.6.2",
-    "karma": "~0.10.2",
+    "grunt-karma": "~4.0.2",
+    "karma": "~6.4.4",
     "grunt-conventional-changelog": "~1.0.0",
     "load-grunt-tasks": "~0.2.0"
   }