diff --git a/netbox_zabbix_sync/modules/cli.py b/netbox_zabbix_sync/modules/cli.py
index b7f410a..afc3495 100644
--- a/netbox_zabbix_sync/modules/cli.py
+++ b/netbox_zabbix_sync/modules/cli.py
@@ -164,6 +164,9 @@ def parse_cli():
         metavar="FILE",
         default=None,
     )
+    parser.add_argument(
+        "--version", action="version", version="NetBox-Zabbix Sync 3.4.0"
+    )
 
     # ── Boolean config overrides ───────────────────────────────────────────────
     bool_group = parser.add_argument_group(