diff --git a/lib/install/config/babel.config.js b/lib/install/config/babel.config.js
index 4df194934..2fdd7d376 100644
--- a/lib/install/config/babel.config.js
+++ b/lib/install/config/babel.config.js
@@ -53,6 +53,12 @@ module.exports = function(api) {
           useBuiltIns: true
         }
       ],
+      [
+        '@babel/plugin-proposal-private-methods',
+        {
+          loose: true
+        }
+      ],
       [
         '@babel/plugin-transform-runtime',
         {
diff --git a/lib/install/examples/react/babel.config.js b/lib/install/examples/react/babel.config.js
index c341fb291..92855f81b 100644
--- a/lib/install/examples/react/babel.config.js
+++ b/lib/install/examples/react/babel.config.js
@@ -62,6 +62,12 @@ module.exports = function(api) {
           useBuiltIns: true
         }
       ],
+      [
+        '@babel/plugin-proposal-private-methods',
+        {
+          loose: true
+        }
+      ],
       [
         '@babel/plugin-transform-runtime',
         {