diff --git a/src/main.py b/src/main.py
index d4d0799..6068aac 100644
--- a/src/main.py
+++ b/src/main.py
@@ -3,6 +3,8 @@ from tracker import Tracker
 
 mqtt_address = os.environ.get("MQTT_ADDRESS", "10.1.1.100")
 mqtt_port = int(os.environ.get("MQTT_PORT", 1883))
+mqtt_username = os.environ.get("MQTT_USERNAME", "username")
+mqtt_passwd = os.environ.get("MQTT_PASSWD", "password")
 mqtt_client_id = os.environ.get("MQTT_CLIENT_ID", "cvzone_tracker_01")
 min_face_score = float(os.environ.get("MIN_FACE_SCORE", 0.5))
 rotate_img = int(os.environ.get("ROTATE_IMAGE", 0))
@@ -10,6 +12,8 @@ rotate_img = int(os.environ.get("ROTATE_IMAGE", 0))
 tracker = Tracker(
     mqtt_address=mqtt_address,
     mqtt_port=mqtt_port,
+    mqtt_passwd=mqtt_passwd,
+    mqtt_username=mqtt_username,
     mqtt_client_id=mqtt_client_id,
     min_face_score=min_face_score,
     rotate_img=rotate_img == 1,
diff --git a/src/tracker.py b/src/tracker.py
index 29eba9d..00b9613 100644
--- a/src/tracker.py
+++ b/src/tracker.py
@@ -11,6 +11,8 @@ class Tracker(object):
             self,
             mqtt_address="",
             mqtt_port=1883,
+            mqtt_username="",
+            mqtt_passwd="",
             mqtt_client_id="",
             min_face_score=0.5,
             rotate_img=False,
@@ -29,6 +31,7 @@ class Tracker(object):
         self.mqtt_client_id = mqtt_client_id
         self.is_mqtt_connected = False
         self.mqtt_client = mqtt.Client(mqtt_client_id)
+        self.mqtt_client.username_pw_set(username=mqtt_username, password=mqtt_passwd)
         self.mqtt_connect()
 
     def mqtt_connect(self):