diff --git a/package.json b/package.json
index 4b1eecc..55b1e9d 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "scripts": {
     "start": "node server.js --env=dev",
     "test": "karma start",
+    "test:watch": "karma start --singleRun=false",
     "posttest": "npm run lint",
     "serve": "node server.js --env=dev",
     "serve:dist": "node server.js --env=dist",