diff --git a/types/notify.d.ts b/types/notify.d.ts
index 5989a60c4..e7ead0335 100644
--- a/types/notify.d.ts
+++ b/types/notify.d.ts
@@ -19,6 +19,7 @@ export interface VanNotify extends Vue {
 export interface Notify {
   (message: NotifyOptions | NotifyMessage): VanNotify;
   clear(): void;
+  install(): void;
   setDefaultOptions(options: NotifyOptions): void;
   resetDefaultOptions(): void;
 }