diff --git a/packages/redux-devtools-inspector/demo/src/js/index.js b/packages/redux-devtools-inspector/demo/src/js/index.js
index afa75924..52b7d91a 100644
--- a/packages/redux-devtools-inspector/demo/src/js/index.js
+++ b/packages/redux-devtools-inspector/demo/src/js/index.js
@@ -1,3 +1,4 @@
+import '@babel/polyfill';
 import React from 'react';
 import { render } from 'react-dom';
 import DemoApp from './DemoApp';
diff --git a/packages/redux-devtools-inspector/package.json b/packages/redux-devtools-inspector/package.json
index 647c4b78..be7c6e45 100644
--- a/packages/redux-devtools-inspector/package.json
+++ b/packages/redux-devtools-inspector/package.json
@@ -27,6 +27,7 @@
     "@babel/plugin-proposal-do-expressions": "^7.2.0",
     "@babel/plugin-proposal-export-default-from": "^7.2.0",
     "@babel/plugin-transform-runtime": "^7.2.0",
+    "@babel/polyfill": "^7.10.4",
     "@babel/preset-env": "^7.3.1",
     "@babel/preset-react": "^7.0.0",
     "babel-loader": "^8.0.5",
diff --git a/yarn.lock b/yarn.lock
index 34c11d74..3ccbbef3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -826,6 +826,14 @@
     "@babel/helper-create-regexp-features-plugin" "^7.8.3"
     "@babel/helper-plugin-utils" "^7.8.3"
 
+"@babel/polyfill@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/polyfill/-/polyfill-7.10.4.tgz#915e5bfe61490ac0199008e35ca9d7d151a8e45a"
+  integrity sha512-8BYcnVqQ5kMD2HXoHInBH7H1b/uP3KdnwCYXOqFnXqguOyuu443WXusbIUbWEfY3Z0Txk0M1uG/8YuAMhNl6zg==
+  dependencies:
+    core-js "^2.6.5"
+    regenerator-runtime "^0.13.4"
+
 "@babel/preset-env@^7.1.0", "@babel/preset-env@^7.3.1":
   version "7.9.6"
   resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.9.6.tgz#df063b276c6455ec6fcfc6e53aacc38da9b0aea6"