diff --git a/src/judas_client/connector.py b/src/judas_client/connector.py
index b1b2743..73156f7 100644
--- a/src/judas_client/connector.py
+++ b/src/judas_client/connector.py
@@ -15,6 +15,7 @@ class Connector:
         mac_address: str,
         host: str,
         port: int,
+        *,
         connect_timeout: float = 5.0,
         ack_timeout: float | None = None,
     ) -> None: