diff --git a/src/playground/index.jsx b/src/playground/index.jsx
index ba0ada4da78fbc561cbd7eca365e8a73aa2b62c8..dcf6fa1810e726f6f70f6238eacc593bf297e14e 100644
--- a/src/playground/index.jsx
+++ b/src/playground/index.jsx
@@ -1,6 +1,7 @@
 // Polyfills
 import 'es6-object-assign/auto';
 import 'core-js/fn/array/includes';
+import 'core-js/fn/promise/finally';
 import 'intl'; // For Safari 9
 
 import React from 'react';