diff --git a/paradox/interfaces/mqtt/basic.py b/paradox/interfaces/mqtt/basic.py
index c733b96..a976fb8 100644
--- a/paradox/interfaces/mqtt/basic.py
+++ b/paradox/interfaces/mqtt/basic.py
@@ -117,7 +117,7 @@ def __init__(self, alarm):
         ps.subscribe(self._handle_panel_change, "changes")
         ps.subscribe(self._handle_panel_event, "events")
 
-    def on_connect(self, mqttc, userdata, flags, result):
+    def on_connect(self, mqttc, userdata, connect_flags, reason_code, properties=None):
         self.subscribe_callback(
             get_control_topic_prefix("output") + "/#",
             self._mqtt_handle_output_control,
diff --git a/paradox/interfaces/mqtt/core.py b/paradox/interfaces/mqtt/core.py
index 8df30ed..e511912 100644
--- a/paradox/interfaces/mqtt/core.py
+++ b/paradox/interfaces/mqtt/core.py
@@ -11,6 +11,7 @@
 from paho.mqtt.client import (
     LOGGING_LEVEL,
     MQTT_ERR_SUCCESS,
+    CallbackAPIVersion,
     Client,
     MQTTv5,
     MQTTv31,
@@ -58,7 +59,8 @@ def get_instance(cls) -> "MQTTConnection":
 
     def __init__(self):
         self.client = Client(
-            "pai" + os.urandom(8).hex(),
+            CallbackAPIVersion.VERSION2,
+            client_id="pai" + os.urandom(8).hex(),
             protocol=protocol_map.get(str(cfg.MQTT_PROTOCOL), MQTTv311),
             transport=cfg.MQTT_TRANSPORT,
         )
@@ -197,30 +199,27 @@ def _report_pai_status(self, status):
             retain=True,
         )
 
-    def _on_connect_cb(self, client, userdata, flags, result, properties=None):
+    def _on_connect_cb(self, client, userdata, connect_flags, reason_code, properties=None):
         # called on Thread-6
-        if result == MQTT_ERR_SUCCESS:
+        if not reason_code.is_failure:
             logger.info("MQTT Broker Connected")
             self.state = ConnectionState.CONNECTED
             self._report_pai_status(self._last_pai_status)
-            self._call_registars("on_connect", client, userdata, flags, result)
+            self._call_registars("on_connect", client, userdata, connect_flags, reason_code, properties)
         else:
             logger.error(
-                f"Failed to connect to MQTT: {connack_string(result)} ({result})"
+                f"Failed to connect to MQTT: {connack_string(reason_code)} ({reason_code})"
             )
 
-    def _on_disconnect_cb(self, client, userdata, *args, **kwargs):
+    def _on_disconnect_cb(self, client, userdata, disconnect_flags, reason_code, properties=None):
         # called on Thread-6
-        # Handle different MQTT version signatures by using the first argument as rc
-        rc = args[0] if args else MQTT_ERR_SUCCESS
-
-        if rc == MQTT_ERR_SUCCESS:
+        if not reason_code.is_failure:
             logger.info("MQTT Broker Disconnected")
         else:
-            logger.error(f"MQTT Broker unexpectedly disconnected. Code: {rc}")
+            logger.error(f"MQTT Broker unexpectedly disconnected. Code: {reason_code}")
 
         self.state = ConnectionState.NEW
-        self._call_registars("on_disconnect", self.client, userdata, rc)
+        self._call_registars("on_disconnect", self.client, userdata, disconnect_flags, reason_code, properties)
 
     def disconnect(self, reasoncode=None, properties=None):
         self.state = ConnectionState.DISCONNECTING
@@ -305,10 +304,10 @@ def subscribe_callback(self, sub, callback: typing.Callable):
         self.mqtt.message_callback_add(sub, callback)
         self.mqtt.subscribe(sub)
 
-    def on_disconnect(self, client, userdata, rc):
+    def on_disconnect(self, client, userdata, disconnect_flags, reason_code, properties=None):
         """Called from MQTT connection"""
         pass
 
-    def on_connect(self, client, userdata, flags, result):
+    def on_connect(self, client, userdata, connect_flags, reason_code, properties=None):
         """Called from MQTT connection"""
         pass
diff --git a/paradox/interfaces/mqtt/homeassistant.py b/paradox/interfaces/mqtt/homeassistant.py
index 4399a5c..b325c6f 100644
--- a/paradox/interfaces/mqtt/homeassistant.py
+++ b/paradox/interfaces/mqtt/homeassistant.py
@@ -55,7 +55,7 @@ def _ready_future_callback(x):
         ps.subscribe(self._handle_labels_loaded, "labels_loaded")
         ps.subscribe(first_status_update_future, "status_update")
 
-    def on_connect(self, client, userdata, flags, result):
+    def on_connect(self, client, userdata, connect_flags, reason_code, properties=None):
         # TODO: do not create connected_future, use some other
         if not self.connected_future.done():
             self.connected_future.set_result(True)
diff --git a/paradox/lib/help.py b/paradox/lib/help.py
index b97e401..f309f07 100644
--- a/paradox/lib/help.py
+++ b/paradox/lib/help.py
@@ -46,7 +46,7 @@
     "pytz": dict(
         mandatory=False, desc="Panel time sync", install_name="pytz>=2023.3.post1"
     ),
-    "mqtt": dict(mandatory=False, desc="MQTT", install_name="paho_mqtt>=1.5.0,<2"),
+    "mqtt": dict(mandatory=False, desc="MQTT", install_name="paho_mqtt>=2.1.0,<3"),
     "pre-commit": dict(mandatory=False, desc="Development", install_name="pre-commit"),
     "flake8": dict(mandatory=False, desc="Code checker", install_name="flake8"),
     "tox": dict(mandatory=False, desc="virtual env / testing", install_name="tox"),
diff --git a/requirements.txt b/requirements.txt
index 4becf3a..65635d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 argparse>=1.4.0
 construct~=2.10.70
 flake8
-paho_mqtt>=1.5.0,<2
+paho_mqtt>=2.1.0,<3
 
 pre-commit
 pushbullet.py>=0.11.0
diff --git a/setup.cfg b/setup.cfg
index 2595c5f..b4448f0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -33,7 +33,7 @@ install_requires =
     argparse>=1.4.0
     python-slugify>=4.0.1
     pytz>=2021.3
-    paho_mqtt>=1.5.0,<2
+    paho_mqtt>=2.1.0,<3
     requests>=2.20.0
     pyserial-asyncio>=0.4