diff --git a/homepage/static/sitemap.xml b/homepage/static/sitemap.xml
index 164d9b4..8fc6c1b 100644
--- a/homepage/static/sitemap.xml
+++ b/homepage/static/sitemap.xml
@@ -18,7 +18,7 @@
     </url>
     <url>
         <loc>https://arav.top/stuff/article/setting_up_a_mail_server</loc>
-        <lastmod>2021-10-31</lastmod>
+        <lastmod>2022-05-21</lastmod>
     </url>
     <url>
         <loc>https://arav.top/stuff/article/nginx_recipes_and_tips</loc>