diff --git a/www/astro.config.mjs b/www/astro.config.mjs
index d3fc86a..99e83c9 100644
--- a/www/astro.config.mjs
+++ b/www/astro.config.mjs
@@ -10,9 +10,7 @@ export default defineConfig({
   compressHTML: true,
   trailingSlash: 'ignore',
   integrations: [
-    sitemap({
-      lastmod: new Date(),
-    }),
+    sitemap(),
     react(),
   ],
   vite: {