diff --git a/package.json b/package.json
index a031390..7890cab 100644
--- a/package.json
+++ b/package.json
@@ -54,6 +54,7 @@
     "istanbul": "0.4.5",
     "json-loader": "0.5.4",
     "mocha": "3.4.2",
+    "npm-run-all": "4.0.2",
     "nyc": "11.0.3",
     "rimraf": "2.6.1",
     "semantic-release": "^6.3.6",