diff --git a/lib/index.d.ts b/lib/index.d.ts
index 897b4c5..775cda4 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -13,6 +13,7 @@ export function set<T>(target: any, key: any, val: T): T
 export function del(target: any, key: any): void
 
 export * from 'vue'
+export type { WatchOptions } from 'vue/types/v3-generated'
 export {
   V as Vue,
   Vue2,