diff --git a/app/package.json b/app/package.json
index a04eefe..a57ed95 100644
--- a/app/package.json
+++ b/app/package.json
@@ -36,6 +36,7 @@
     "babel-preset-react": "^6.5.0",
     "babel-preset-stage-0": "^6.5.0",
     "body-parser": "~1.15.1",
+    "babel-runtime": "^6.9.2",
     "css-loader": "^0.23.1",
     "esdoc": "^0.4.7",
     "esdoc-es7-plugin": "0.0.3",