diff --git a/packages/sui-polyfills/src/index.js b/packages/sui-polyfills/src/index.js
index daacb103f..8335d733d 100644
--- a/packages/sui-polyfills/src/index.js
+++ b/packages/sui-polyfills/src/index.js
@@ -2,6 +2,7 @@ require('core-js/features/array/fill')
 require('core-js/features/array/find-index')
 require('core-js/features/array/find')
 require('core-js/features/array/flat')
+require('core-js/features/array/flat-map')
 require('core-js/features/array/from')
 require('core-js/features/array/includes')
 require('core-js/features/array/is-array')