diff --git a/src/hooks/query/event/usePostEventApplyMutation.ts b/src/hooks/query/event/usePostEventApplyMutation.ts
index 21e4567a..70dc479b 100644
--- a/src/hooks/query/event/usePostEventApplyMutation.ts
+++ b/src/hooks/query/event/usePostEventApplyMutation.ts
@@ -22,8 +22,8 @@ const usePostEventApplyMutation = ({ eventId }: usePostEventApplyMutation) => {
 
   const { mutate: applyEvent, isLoading: isApplyLoading } = useMutation({
     mutationFn: postApplyEvent,
-    onSuccess: async () => {
-      await queryClient.invalidateQueries([EVENT_DETAIL_QUERY_KEY.EVENT_DETAIL]);
+    onSuccess: () => {
+      queryClient.invalidateQueries([EVENT_DETAIL_QUERY_KEY.EVENT_DETAIL]);
       createToast({ message: '성공적으로 신청되었습니다.', toastType: 'success' });
       navigate(`/event/${eventId}`);
     },