diff --git a/package.json b/package.json
index f742d95..163a334 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "homepage": "https://github.com/thefourtheye/sane-generator",
   "devDependencies": {
     "babel-cli": "^6.8.0",
-    "babel-polyfill": "^6.6.0",
+    "babel-polyfill": "^6.22.0",
     "babel-preset-es2015": "^6.3.13",
     "chai": "^3.5.0",
     "coveralls": "^2.11.6",