diff --git a/package.json b/package.json
index bf4bf8a..6aa10cb 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "ava": "^0.16.0",
     "babel-cli": "^6.14.0",
-    "babel-polyfill": "^6.13.0",
+    "babel-polyfill": "^6.22.0",
     "babel-preset-es2015": "^6.14.0",
     "babel-preset-stage-2": "^6.13.0",
     "babel-register": "^6.14.0",