diff --git a/.vitepress/config.ts b/.vitepress/config.ts
index 48aba4f5..1f27fe04 100644
--- a/.vitepress/config.ts
+++ b/.vitepress/config.ts
@@ -374,4 +374,7 @@ export default defineConfig({
       }),
     ],
   },
+  sitemap: {
+    hostname: 'https://hono.dev',
+  },
 })