diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8fbd2587..48e700f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,15 +5,15 @@ on:
   - release
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: ['3.8', '3.10', '3.12']
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -97,7 +97,7 @@ jobs:
         if: steps.branch-names.outputs.is_tag == 'false'
         run: |
           git checkout gh-pages
-          git checkout ${{ steps.branch-names.outputs.current_branch }}          
+          git checkout ${{ steps.branch-names.outputs.current_branch }}
       - name: Setup Python 3.8
         uses: actions/setup-python@v2
         with:
diff --git a/docs_src/generate_docs.py b/docs_src/generate_docs.py
index 588ee3fc..96d95698 100644
--- a/docs_src/generate_docs.py
+++ b/docs_src/generate_docs.py
@@ -13,7 +13,7 @@
 from typing import Any, Dict, Iterator, List, Optional, Set, Tuple
 
 import semver
-import yaml
+import yaml # type: ignore
 from ast_to_xml import module_source
 from git import Repo
 from jinja2 import Template
diff --git a/mqtt_io/__main__.py b/mqtt_io/__main__.py
index d34e3370..bf442e92 100644
--- a/mqtt_io/__main__.py
+++ b/mqtt_io/__main__.py
@@ -8,7 +8,7 @@
 from hashlib import sha256
 from typing import Any, Optional
 
-import yaml
+import yaml # type: ignore
 
 from confp import render  # type: ignore
 
diff --git a/mqtt_io/config/__init__.py b/mqtt_io/config/__init__.py
index 876be1b6..e898af3a 100644
--- a/mqtt_io/config/__init__.py
+++ b/mqtt_io/config/__init__.py
@@ -8,7 +8,7 @@
 from typing import TYPE_CHECKING, Any, Dict, List, cast
 
 import cerberus  # type: ignore
-import yaml
+import yaml # type: ignore
 
 from ..exceptions import ConfigValidationFailed
 from ..types import ConfigType
diff --git a/mqtt_io/modules/gpio/__init__.py b/mqtt_io/modules/gpio/__init__.py
index b6f4540c..db27a70d 100644
--- a/mqtt_io/modules/gpio/__init__.py
+++ b/mqtt_io/modules/gpio/__init__.py
@@ -12,7 +12,7 @@
 import logging
 from concurrent.futures import ThreadPoolExecutor
 from enum import Enum, Flag, IntFlag, auto
-from typing import Any, Callable, Dict, Iterable, List, Optional
+from typing import Any, Callable, Dict, Iterable, List, Optional, cast
 
 from ...types import ConfigType, PinType
 
@@ -173,7 +173,7 @@ def setup_interrupt_internal(
         pin: PinType,
         edge: InterruptEdge,
         in_conf: ConfigType,
-        callback: Optional[Callable[[List[Any], Dict[Any, Any]], None]] = None,
+        callback: Optional[Callable[..., None]] = None,
     ) -> None:
         """
         Used internally to ensure that `self.interrupt_edges` is updated for this pin.
@@ -213,7 +213,7 @@ def remote_interrupt_for(self, pin: PinType) -> List[str]:
         """
         Return the list of pin names that this pin is a remote interrupt for.
         """
-        return self.pin_configs[pin].get("interrupt_for", [])
+        return cast(List[str], self.pin_configs[pin].get("interrupt_for", []))
 
     def get_int_pins(self) -> List[PinType]:
         """
@@ -274,6 +274,7 @@ def get_interrupt_value(self, pin: PinType, *args: Any, **kwargs: Any) -> bool:
         for the value, or looking it up in a register that captures the value at time of
         interrupt.
         """
+        return False
 
     async def get_interrupt_values_remote(
         self, pins: List[PinType]
diff --git a/mqtt_io/modules/gpio/gpiozero.py b/mqtt_io/modules/gpio/gpiozero.py
index c5a1bdf2..a1ad88c1 100644
--- a/mqtt_io/modules/gpio/gpiozero.py
+++ b/mqtt_io/modules/gpio/gpiozero.py
@@ -3,7 +3,7 @@
 """
 import logging
 from functools import partial
-from typing import Optional, Any, Callable, List, Dict, TYPE_CHECKING, cast
+from typing import Optional, Any, Callable, Dict, TYPE_CHECKING, cast
 
 from mqtt_io.modules.gpio import (
     GenericGPIO,
@@ -89,7 +89,7 @@ def setup_interrupt_callback(
         pin: PinType,
         edge: InterruptEdge,
         in_conf: ConfigType,
-        callback: Callable[[List[Any], Dict[Any, Any]], None],
+        callback: Callable[..., None],
     ) -> None:
         _LOG.debug(
             "Added interrupt to gpiozero Pi pin '%s' with callback '%s'", pin, callback
diff --git a/mqtt_io/modules/gpio/mock.py b/mqtt_io/modules/gpio/mock.py
index 32449ca9..154deea2 100644
--- a/mqtt_io/modules/gpio/mock.py
+++ b/mqtt_io/modules/gpio/mock.py
@@ -2,7 +2,7 @@
 Mock GPIO module for using with the tests.
 """
 
-from typing import Any, Callable, Dict, Iterable, List, Optional
+from typing import Callable, Dict, Iterable, List, Optional
 from unittest.mock import Mock
 
 from ...types import ConfigType, PinType
@@ -39,7 +39,7 @@ def __init__(self, config: ConfigType):
 
         super().__init__(config)
         self.interrupt_callbacks: Dict[
-            PinType, Callable[[List[Any], Dict[Any, Any]], None]
+            PinType, Callable[..., None]
         ] = {}
 
     def setup_interrupt_callback(
@@ -47,12 +47,12 @@ def setup_interrupt_callback(
         pin: PinType,
         edge: InterruptEdge,
         in_conf: ConfigType,
-        callback: Callable[[List[Any], Dict[Any, Any]], None],
+        callback: Callable[..., None],
     ) -> None:
         self.interrupt_callbacks[pin] = callback
 
     def setup_module(self) -> None:
-        return super().setup_module()
+        return super().setup_module() # type: ignore[safe-super]
 
     def setup_pin(
         self,
@@ -62,7 +62,8 @@ def setup_pin(
         pin_config: ConfigType,
         initial: Optional[str] = None,
     ) -> None:
-        return super().setup_pin(pin, direction, pullup, pin_config, initial=initial)
+        return super().setup_pin( # type: ignore[safe-super]
+            pin, direction, pullup, pin_config, initial=initial)
 
     def setup_interrupt(
         self, pin: PinType, edge: InterruptEdge, in_conf: ConfigType
@@ -70,10 +71,10 @@ def setup_interrupt(
         return super().setup_interrupt(pin, edge, in_conf)
 
     def set_pin(self, pin: PinType, value: bool) -> None:
-        return super().set_pin(pin, value)
+        return super().set_pin(pin, value) # type: ignore[safe-super]
 
     def get_pin(self, pin: PinType) -> bool:
-        return super().get_pin(pin)
+        return super().get_pin(pin) # type: ignore[safe-super]
 
     def get_int_pins(self) -> List[PinType]:
         return super().get_int_pins()
diff --git a/mqtt_io/modules/gpio/raspberrypi.py b/mqtt_io/modules/gpio/raspberrypi.py
index 2f0d1aed..819b90df 100644
--- a/mqtt_io/modules/gpio/raspberrypi.py
+++ b/mqtt_io/modules/gpio/raspberrypi.py
@@ -3,7 +3,7 @@
 """
 
 import logging
-from typing import Any, Callable, Dict, List, Optional
+from typing import Any, Callable, Optional
 
 from ...types import ConfigType, PinType
 from . import GenericGPIO, InterruptEdge, InterruptSupport, PinDirection, PinPUD
@@ -60,7 +60,7 @@ def setup_interrupt_callback(
         pin: PinType,
         edge: InterruptEdge,
         in_conf: ConfigType,
-        callback: Callable[[List[Any], Dict[Any, Any]], None],
+        callback: Callable[..., None],
     ) -> None:
         gpio_edge = self.interrupt_edge_map[edge]
         _LOG.debug(
diff --git a/mqtt_io/modules/sensor/mock.py b/mqtt_io/modules/sensor/mock.py
index fb2b8677..eab05670 100644
--- a/mqtt_io/modules/sensor/mock.py
+++ b/mqtt_io/modules/sensor/mock.py
@@ -30,4 +30,4 @@ def setup_sensor(self, sens_conf: ConfigType) -> None:
         return super().setup_sensor(sens_conf)
 
     def get_value(self, sens_conf: ConfigType) -> SensorValueType:
-        return super().get_value(sens_conf)
+        return super().get_value(sens_conf) # type: ignore[safe-super]
diff --git a/mqtt_io/mqtt/__init__.py b/mqtt_io/mqtt/__init__.py
index 9503f6cf..16bd1b4a 100644
--- a/mqtt_io/mqtt/__init__.py
+++ b/mqtt_io/mqtt/__init__.py
@@ -61,7 +61,7 @@ class MQTTTLSOptions:
     ca_certs: Optional[str] = None
     certfile: Optional[str] = None
     keyfile: Optional[str] = None
-    cert_reqs: int = ssl.CERT_REQUIRED
+    cert_reqs: ssl.VerifyMode = ssl.CERT_REQUIRED
     tls_version: int = ssl.PROTOCOL_TLS
     ciphers: Optional[str] = None
 
diff --git a/mqtt_io/mqtt/aiomqtt.py b/mqtt_io/mqtt/aiomqtt.py
index 852b4196..41a2d2e5 100644
--- a/mqtt_io/mqtt/aiomqtt.py
+++ b/mqtt_io/mqtt/aiomqtt.py
@@ -8,8 +8,8 @@
 from functools import wraps
 from typing import Any, Callable, List, Optional, Tuple, TypeVar, cast
 
-from aiomqtt.client import Client, MqttError, Will, ProtocolVersion  # type: ignore
-from paho.mqtt import client as paho  # type: ignore
+from aiomqtt import Client, MqttError, Will, ProtocolVersion
+from paho.mqtt import client as paho
 
 from . import (
     AbstractMQTTClient,
diff --git a/mqtt_io/server.py b/mqtt_io/server.py
index 259f398c..42d323cf 100644
--- a/mqtt_io/server.py
+++ b/mqtt_io/server.py
@@ -18,9 +18,9 @@
 from hashlib import sha1
 from importlib import import_module
 from typing import Any, Dict, List, Optional, Tuple, Type, Union, overload
-from aiomqtt.exceptions import MqttCodeError # type: ignore
+from aiomqtt import MqttCodeError
 
-import backoff  # type: ignore
+import backoff
 from typing_extensions import Literal
 
 from .config import (
@@ -648,10 +648,10 @@ async def poll_sensor(
                     None
 
                 """
-                @backoff.on_exception(  # type: ignore
+                @backoff.on_exception(
                     backoff.expo, Exception, max_time=sens_conf["interval"]
                 )
-                @backoff.on_predicate(  # type: ignore
+                @backoff.on_predicate(
                     backoff.expo, lambda x: x is None, max_time=sens_conf["interval"]
                 )
                 async def get_sensor_value(
@@ -808,7 +808,7 @@ async def _mqtt_publish(self, msg: MQTTMessageSend, wait: bool = True) -> None:
                 )
         else:
             _LOG.debug(
-                "Publishing MQTT message on topic %r: %r", msg.topic, payload
+                "Publishing MQTT message on topic %r: %r", msg.topic, msg.payload
             )
 
         await self.mqtt.publish(msg)
diff --git a/mqtt_io/tests/features/steps/config_main.py b/mqtt_io/tests/features/steps/config_main.py
index 5593a40a..d0543d2d 100644
--- a/mqtt_io/tests/features/steps/config_main.py
+++ b/mqtt_io/tests/features/steps/config_main.py
@@ -1,5 +1,5 @@
 from typing import Any
-import yaml
+import yaml # type: ignore
 from behave import given, then, when  # type: ignore
 from mqtt_io.config import validate_and_normalise_main_config
 from mqtt_io.exceptions import ConfigValidationFailed
diff --git a/mqtt_io/tests/features/steps/events.py b/mqtt_io/tests/features/steps/events.py
index 88a5b538..ae8fe968 100644
--- a/mqtt_io/tests/features/steps/events.py
+++ b/mqtt_io/tests/features/steps/events.py
@@ -2,16 +2,16 @@
 import concurrent.futures
 from typing import Any, Dict, Type
 
-import yaml
+import yaml # type: ignore
 from behave import given, then, when  # type: ignore
 from behave.api.async_step import async_run_until_complete  # type: ignore
 from mqtt_io import events
 from mqtt_io.server import MqttIo
 
 try:
-    from unittest.mock import AsyncMock  # type: ignore[attr-defined]
+    from unittest.mock import AsyncMock  # type: ignore
 except ImportError:
-    from mock import AsyncMock  # type: ignore[attr-defined]
+    from mock import AsyncMock  # type: ignore
 
 # pylint: disable=function-redefined,protected-access
 
diff --git a/mqtt_io/tests/features/steps/module_gpio.py b/mqtt_io/tests/features/steps/module_gpio.py
index 54a51856..5a74f173 100644
--- a/mqtt_io/tests/features/steps/module_gpio.py
+++ b/mqtt_io/tests/features/steps/module_gpio.py
@@ -102,7 +102,7 @@ def step(context: Any, is_isnt: str, pin_name: str):
 
     poller_task_pin_names = {
         get_coro(task).cr_frame.f_locals["in_conf"]["name"]
-        for task in asyncio.Task.all_tasks(loop=mqttio.loop)
+        for task in asyncio.all_tasks(loop=mqttio.loop)
         if get_coro(task).__name__ == "digital_input_poller"
     }
     if is_isnt == "is":
@@ -137,7 +137,7 @@ def step(context: Any, is_isnt: str, module_name: str):
 
     task_modules = {
         get_coro(task).cr_frame.f_locals["module"]
-        for task in asyncio.Task.all_tasks(loop=mqttio.loop)
+        for task in asyncio.all_tasks(loop=mqttio.loop)
         if get_coro(task).__name__ == "digital_output_loop"
     }
     if is_isnt == "is":
diff --git a/mqtt_io/tests/features/steps/server.py b/mqtt_io/tests/features/steps/server.py
index d58952f9..74ce0265 100644
--- a/mqtt_io/tests/features/steps/server.py
+++ b/mqtt_io/tests/features/steps/server.py
@@ -3,7 +3,7 @@
 from typing import Any, Union
 from unittest.mock import Mock
 
-import yaml
+import yaml # type: ignore
 from behave import given, then, when  # type: ignore
 from behave.api.async_step import async_run_until_complete  # type: ignore
 from mqtt_io.exceptions import ConfigValidationFailed
@@ -11,9 +11,9 @@
 from mqtt_io.server import MqttIo
 
 try:
-    from unittest.mock import AsyncMock  # type: ignore[attr-defined]
+    from unittest.mock import AsyncMock  # type: ignore
 except ImportError:
-    from mock import AsyncMock  # type: ignore[attr-defined]
+    from mock import AsyncMock  # type: ignore
 
 # pylint: disable=function-redefined
 
diff --git a/pyproject.toml b/pyproject.toml
index d2da79f4..84108a53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ Cerberus = "^1.3.2"
 typing-extensions = "^4.4.0"
 dataclasses = { version = "^0.8", python = ">=3.6,<3.7" }
 aiomqtt = "^2.1.0"
-backoff = "^1.10.0"
+backoff = "^2.2.1"
 confp = "^0.4.0"
 # Fix for poetry/docutils related bug
 docutils = "0.18.1"
@@ -23,8 +23,8 @@ docutils = "0.18.1"
 mock = { version = "^4.0.3", python = ">=3.6,<3.8" }
 pytest = "^6.2.2"
 tox = "^3.22.0"
-pylint = "^2.6.2"
-mypy = "^0.812"
+pylint = "^3.2.7"
+mypy = "^1.11.2"
 behave = "^1.2.6"
 coverage = "^5.4"
 md-toc = "^8.0.0"
diff --git a/tox.ini b/tox.ini
index 70c17caa..16ecc605 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 isolated_build = true
-envlist = py3{6,7,8}
+envlist = py3{8,10,12}
 
 [testenv]
 whitelist_externals = poetry