diff --git a/environments/react/v15.js b/environments/react/v15.js
index 5390c34..5529780 100644
--- a/environments/react/v15.js
+++ b/environments/react/v15.js
@@ -22,6 +22,7 @@ module.exports = {
 
   parserOptions: {
     sourceType: 'module',
+    ecmaVersion: 2017,
     ecmaFeatures: {
       jsx: true,
     },