diff --git a/dayglo_detector/dayglo_detector.py b/dayglo_detector/dayglo_detector.py
index ae9d467..ab4b049 100644
--- a/dayglo_detector/dayglo_detector.py
+++ b/dayglo_detector/dayglo_detector.py
@@ -109,7 +109,9 @@ def assess_latest_image():
         debug_print(f"Error retrieving events: {e}")
 
 # MQTT setup
-client = mqtt.Client()
+#client = mqtt.Client()
+client = mqtt.Client(protocol=mqtt.MQTTv5)
+#client = mqtt.Client(protocol=mqtt.MQTTv311)
 
 if MQTT_USERNAME and MQTT_PASSWORD:
     client.username_pw_set(MQTT_USERNAME, MQTT_PASSWORD)