diff --git a/Web/robots.txt b/Web/robots.txt
index ddb952e26..80b793359 100644
--- a/Web/robots.txt
+++ b/Web/robots.txt
@@ -1 +1 @@
-Sitemap: http://onlyoffice.com/sitemap.xml
+Sitemap: https://helpcenter.onlyoffice.com/sitemap.xml