diff --git a/src/.vuepress/config.js b/src/.vuepress/config.js
index 475d096702..24d4e79421 100644
--- a/src/.vuepress/config.js
+++ b/src/.vuepress/config.js
@@ -430,6 +430,10 @@ module.exports = {
             text: '한국어',
             link: 'https://v3.ko.vuejs.org/'
           },
+          {
+            text: '日本語',
+            link: 'https://v3.ja.vuejs.org/'
+          },
           {
             text: 'More Translations',
             link: '/guide/contributing/translations#community-translations'