diff --git a/admin_manual/installation/harden_server.rst b/admin_manual/installation/harden_server.rst
index 7d1c1c906..eff45ab91 100644
--- a/admin_manual/installation/harden_server.rst
+++ b/admin_manual/installation/harden_server.rst
@@ -271,6 +271,7 @@ Depending on your server setup, these are the possible connections:
 	- submitted data: subscription key
 - github.com, objects.githubusercontent.com
 	- to download Nextcloud standard apps
+	- to download Nextcloud server releases
 - push-notifications.nextcloud.com
 	- sending push notifications to mobile clients
 	- submitted data: unique device identifier, public key, push token