diff --git a/next.config.js b/next.config.js
index 0b6df8b..c8f9395 100644
--- a/next.config.js
+++ b/next.config.js
@@ -5,7 +5,7 @@ const withNextra = require('nextra')({
 
 module.exports = withNextra({
   i18n: {
-    locales: ['en', 'zh', 'jp', 'pt', 'tr'],
-    defaultLocale: 'en'
-  }
+    locales: ['en', 'zh', 'jp', 'pt', 'tr', 'es'],
+    defaultLocale: 'en',
+  },
 })
diff --git a/theme.config.tsx b/theme.config.tsx
index 16d0aa9..32d6fc3 100644
--- a/theme.config.tsx
+++ b/theme.config.tsx
@@ -21,6 +21,7 @@ const config: DocsThemeConfig = {
     { locale: 'jp', text: '日本語'},
     { locale: 'pt', text: 'Português' },
     { locale: 'tr', text: 'Türkçe' },
+    { locale: 'es', text: 'Español' },
   ],
   head: function UseHead() {
     const { title } = useConfig()