diff --git a/lib/utils/sequential-promise-resolver.js b/lib/utils/sequential-promise-resolver.js
index 0ea746b81..ad88644ef 100644
--- a/lib/utils/sequential-promise-resolver.js
+++ b/lib/utils/sequential-promise-resolver.js
@@ -1,37 +1,39 @@
 // @flow
 
+import { ignorePromiseRejections } from './promises.js';
+
 class SequentialPromiseResolver<Result> {
   onResolve: Result => Promise<mixed>;
   promises: Array<Promise<?Result>> = [];
   currentlySpinning: boolean = false;
 
   constructor(onResolve: Result => Promise<mixed>) {
     this.onResolve = onResolve;
   }
 
   add(promise: Promise<?Result>) {
     this.promises.push(promise);
-    this.spinPromises();
+    ignorePromiseRejections(this.spinPromises());
   }
 
   async spinPromises() {
     if (this.currentlySpinning) {
       return;
     }
     this.currentlySpinning = true;
 
     let currentPromise = this.promises.shift();
     while (currentPromise) {
       // It's important that we await in sequence here as the messages must be
       // delivered in order. For more context, see https://phab.comm.dev/D355
       const result = await currentPromise;
       if (result) {
         await this.onResolve(result);
       }
       currentPromise = this.promises.shift();
     }
     this.currentlySpinning = false;
   }
 }
 
 export default SequentialPromiseResolver;