diff --git a/package.json b/package.json
index 562df2f..0eb5e45 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@babel/core": "^7.4.0",
     "@babel/plugin-proposal-class-properties": "^7.4.0",
     "@babel/plugin-proposal-object-rest-spread": "^7.4.0",
-    "@babel/polyfill": "^7.0.0-rc.1",
+    "@babel/polyfill": "^7.4.0",
     "@babel/preset-env": "^7.0.0-rc.1",
     "@babel/preset-flow": "^7.0.0-rc.1",
     "@babel/preset-react": "^7.0.0-rc.1",