diff --git a/Libraries/Promise.js b/Libraries/Promise.js
index 0a277621546..960834cd5a8 100644
--- a/Libraries/Promise.js
+++ b/Libraries/Promise.js
@@ -10,10 +10,12 @@
 
 'use strict';
 
-/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
- * found when Flow v0.54 was deployed. To see the error delete this comment and
- * run Flow. */
-const Promise = require('fbjs/lib/Promise.native');
+const Promise = require('promise/setimmediate/es6-extensions');
+require('promise/setimmediate/done');
+
+Promise.prototype.finally = function(onSettled) {
+  return this.then(onSettled, onSettled);
+};
 
 if (__DEV__) {
   /* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an