diff --git a/i18n/i18next-config.ts b/i18n/i18next-config.ts
index 958ab15..6cfe0e5 100644
--- a/i18n/i18next-config.ts
+++ b/i18n/i18next-config.ts
@@ -4,14 +4,18 @@ import { initReactI18next } from 'react-i18next'
 import commonEn from './lang/common.en'
 import commonEs from './lang/common.es'
 import commonZh from './lang/common.zh'
+import commonVi from './lang/common.vi'
 import commonJa from './lang/common.ja'
 import appEn from './lang/app.en'
 import appEs from './lang/app.es'
 import appZh from './lang/app.zh'
+import appVi from './lang/app.vi'
 import appJa from './lang/app.ja'
 import toolsEn from './lang/tools.en'
 import toolsZh from './lang/tools.zh'
+import toolsVi from './lang/tools.vi'
 import toolsJa from './lang/tools.ja'
+
 import type { Locale } from '.'
 
 const resources = {
@@ -37,6 +41,14 @@ const resources = {
       tools: toolsZh,
     },
   },
+  'vi': {
+    translation: {
+      common: commonVi,
+      app: appVi,
+      // tools
+      tools: toolsVi,
+    },
+  }
   'ja': {
     translation: {
       common: commonJa,