diff --git a/views/ngXosLib/package.json b/views/ngXosLib/package.json
index 9e8906c..11183a6 100644
--- a/views/ngXosLib/package.json
+++ b/views/ngXosLib/package.json
@@ -24,6 +24,7 @@
     "swagger-js-codegen": "^1.1.5"
   },
   "devDependencies": {
+    "babel-polyfill": "^6.7.4",
     "babel-preset-es2015": "^6.6.0",
     "browser-sync": "^2.12.3",
     "concat": "^2.0.0",