diff --git a/ssl-update.py b/ssl-update.py
index f7df8fb..56f0d03 100755
--- a/ssl-update.py
+++ b/ssl-update.py
@@ -19,7 +19,7 @@ import sys
 import time
 
 supported_services = [
-  'git', 'plex', 'jellyfin', 'photoprism', 'nextcloud', 'read', 'www', 'chat']
+  'git', 'plex', 'jellyfin', 'photoprism', 'nextcloud', 'read', 'www', 'chat', 'sync']
 
 restart_delay = {
   'plex': 10
@@ -35,6 +35,7 @@ users = {
     'git': 'gitea',
     'read': 'http',
     'chat': 'synapse',
+    'sync': 'syncv3',
 }
 
 # systemd service names that don't match the service name
@@ -45,6 +46,7 @@ systemd_services = {
     'read': 'kavita',
     'nextcloud': 'php-fpm',
     'chat': 'synapse',
+    'sync': 'sliding-sync',
 }