diff --git a/src/utils/delay.ts b/src/utils/delay.ts
index 7dbf8d3c..b5cb086c 100644
--- a/src/utils/delay.ts
+++ b/src/utils/delay.ts
@@ -1,5 +1,5 @@
 export default (ms: number) => {
-  return new Promise((resolve) => {
+  return new Promise<void>((resolve) => {
     setTimeout(() => {
       resolve();
     }, ms);