diff --git a/packages/@vuepress/core/lib/client/plugins/Store.d.ts b/packages/@vuepress/core/lib/client/plugins/Store.d.ts
index d290e852a7..f20df5e31d 100644
--- a/packages/@vuepress/core/lib/client/plugins/Store.d.ts
+++ b/packages/@vuepress/core/lib/client/plugins/Store.d.ts
@@ -1,4 +1,4 @@
-import Vue from 'Vue'
+import Vue from 'vue'
 
 export declare class Store {
   store: Vue;