diff --git a/website/babel.config.js b/website/babel.config.js
index 8ac8929a75..fecc28fb4a 100644
--- a/website/babel.config.js
+++ b/website/babel.config.js
@@ -14,7 +14,7 @@ module.exports = (api) => {
       {
         targets: IS_TEST ? { node: true } : { browsers: pkgJson.browserslist },
         modules: IS_TEST ? 'commonjs' : false,
-        useBuiltIns: 'usage',
+        useBuiltIns: 'entry',
         corejs: pkgJson.dependencies['core-js'],
         // Exclude transforms that make all code slower
         // See https://github.com/facebook/create-react-app/pull/5278
diff --git a/website/webpack/webpack.config.common.js b/website/webpack/webpack.config.common.js
index 07b6ec555a..38358a5323 100644
--- a/website/webpack/webpack.config.common.js
+++ b/website/webpack/webpack.config.common.js
@@ -33,7 +33,7 @@ const commonConfig = merge([
     // convenient with more complex configurations.
     entry: {
       // This will build an app.js file from the `main` module.
-      app: ['entry/main'],
+      app: ['core-js/stable', 'regenerator-runtime/runtime', 'entry/main'],
     },
     context: parts.PATHS.src,
     output: {