diff --git a/package.json b/package.json
index 8cd3850..0dc3207 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "test": "jest"
   },
   "devDependencies": {
-    "@babel/polyfill": "7.2.5",
+    "@babel/polyfill": "7.4.0",
     "@types/jest": "24.0.11",
     "@types/lodash": "4.14.122",
     "@types/node": "11.11.3",