diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
index a1b99cea4..630a95182 100644
--- a/docs/.vuepress/config.js
+++ b/docs/.vuepress/config.js
@@ -48,7 +48,14 @@ module.exports = {
           },
           {
             text: 'Guides',
-            link: '/guides/'
+            link: '/guides/',
+            items: [
+              {
+                text: '2.x-beta',
+                link:
+                  'https://vuejs.github.io/vue-test-utils-next-docs/guide/introduction.html'
+              }
+            ]
           },
           {
             text: 'Upgrading to V1',
@@ -77,7 +84,14 @@ module.exports = {
           },
           {
             text: '教程',
-            link: '/zh/guides/'
+            link: '/zh/guides/',
+            items: [
+              {
+                text: '2.x-beta',
+                link:
+                  'https://vuejs.github.io/vue-test-utils-next-docs/guide/introduction.html'
+              }
+            ]
           }
         ],
         sidebar: [
@@ -102,7 +116,14 @@ module.exports = {
           },
           {
             text: 'ガイド',
-            link: '/ja/guides/'
+            link: '/ja/guides/',
+            items: [
+              {
+                text: '2.x-beta',
+                link:
+                  'https://vuejs.github.io/vue-test-utils-next-docs/guide/introduction.html'
+              }
+            ]
           }
         ],
         sidebar: [
@@ -127,7 +148,14 @@ module.exports = {
           },
           {
             text: 'Руководства',
-            link: '/ru/guides/'
+            link: '/ru/guides/',
+            items: [
+              {
+                text: '2.x-beta',
+                link:
+                  'https://vuejs.github.io/vue-test-utils-next-docs/guide/introduction.html'
+              }
+            ]
           }
         ],
         sidebar: [
diff --git a/docs/README.md b/docs/README.md
index 663952c8b..8ef71b49c 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,5 +1,9 @@
 # Introduction
 
+::: warning
+This doc is for Vue2.x only. If you want to see docs related to 3.x, please move to [here](https://vue-test-utils.vuejs.org/v2/guide/introduction.html)
+:::
+
 Vue Test Utils is the official unit testing utility library for Vue.js.
 
 <div class="vueschool"><a href="https://vueschool.io/courses/learn-how-to-test-vuejs-components?friend=vuejs" target="_blank" rel="sponsored noopener" title="Learn how to use Vue Test Utils to test Vue.js Components with Vue School">Learn how to test Vue.js components with Vue School</a></div>
diff --git a/docs/zh/README.md b/docs/zh/README.md
index edd46eb1b..33af22d52 100644
--- a/docs/zh/README.md
+++ b/docs/zh/README.md
@@ -1,5 +1,9 @@
 # 介绍
 
+::: warning
+本文档基于 Vue2.x，新版本文档请移步至[这里](https://vue-test-utils.vuejs.org/v2/guide/introduction.html)
+:::
+
 Vue Test Utils 是 Vue.js 官方的单元测试实用工具库。
 
 <div class="vueschool"><a href="https://vueschool.io/courses/learn-how-to-test-vuejs-components?friend=vuejs" target="_blank" rel="sponsored noopener" title="Learn how to use Vue Test Utils to test Vue.js Components with Vue School">在 Vue School 学习如何测试 Vue.js 组件</a></div>