diff --git a/TODO.rst b/TODO.rst
index f71d31ec..8c102666 100644
--- a/TODO.rst
+++ b/TODO.rst
@@ -3,7 +3,7 @@ TODO list for Proxmox Backup
 
 * do not abort host backups on file permission errors
 
-
+* proxmox-backup-client: verify server cert (save/compare last saved cert fingerprint)
 
 Suggestions
 ===========