diff --git a/.github/workflows/pymagewell-linters.yml b/.github/workflows/pymagewell-linters.yml
index b5a06ae..7941d7d 100644
--- a/.github/workflows/pymagewell-linters.yml
+++ b/.github/workflows/pymagewell-linters.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
 
       matrix:
-        python-version: ["3.11"]
+        python-version: ["3.12"]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/.github/workflows/pymagewell-unit-tests.yml b/.github/workflows/pymagewell-unit-tests.yml
index 1ca05b6..71334cc 100644
--- a/.github/workflows/pymagewell-unit-tests.yml
+++ b/.github/workflows/pymagewell-unit-tests.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/linters_and_black.bat b/linters_and_black.bat
index c8cca32..ee64152 100644
--- a/linters_and_black.bat
+++ b/linters_and_black.bat
@@ -1,9 +1,9 @@
 echo 'Formatting code with black...'
-black --line-length 120 src/pymagewell
-black --line-length 120 src/tests
+python -m black --line-length 120 src/pymagewell
+python -m black --line-length 120 src/tests
 echo 'Running mypy...'
-mypy src/pymagewell
-mypy src/tests
+python -m mypy src/pymagewell
+python -m mypy src/tests
 echo 'Running flake8...'
-flake8 src/pymagewell
-flake8 src/tests
+python -m flake8 src/pymagewell
+python -m flake8 src/tests
diff --git a/setup.cfg b/setup.cfg
index 712cc5b..8fad269 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,6 +20,8 @@ classifiers =
  Operating System :: MacOS :: MacOS X
  Programming Language :: Python :: 3.9
  Programming Language :: Python :: 3.10
+ Programming Language :: Python :: 3.11
+ Programming Language :: Python :: 3.12
  Topic :: Multimedia :: Video :: Capture
  Typing :: Typed
 project_urls =
@@ -50,12 +52,12 @@ test=pytest
 
 [options.extras_require]
 test =
- pytest == 6.2.5
+ pytest == 7.4.3
 dev =
- flake8 == 4.0
- flake8-bugbear == 21.9.2
- black == 22.3.0
- mypy == 0.982
+ flake8 == 6.1.0
+ flake8-bugbear == 23.9.16
+ black == 23.10.1
+ mypy == 1.6.1
 doc =
  pdoc == 12.2.0
 
diff --git a/src/pymagewell/conversion.py b/src/pymagewell/conversion.py
index 768994d..d500a2a 100644
--- a/src/pymagewell/conversion.py
+++ b/src/pymagewell/conversion.py
@@ -83,7 +83,6 @@ def convert_rgb_bytes_to_array(
     output_channel_order: RGBChannelOrder,
     output_alpha_location: AlphaChannelLocation,
 ) -> NDArray[Union[uint8, uint16]]:
-
     if colour_format in [
         ColourFormat.BGRA,
         ColourFormat.ABGR,
diff --git a/src/pymagewell/pro_capture_device/device_status.py b/src/pymagewell/pro_capture_device/device_status.py
index bbdaaf0..c61b159 100644
--- a/src/pymagewell/pro_capture_device/device_status.py
+++ b/src/pymagewell/pro_capture_device/device_status.py
@@ -133,7 +133,6 @@ class FrameInfo:
 
     @classmethod
     def from_mwcap_video_frame_info(cls, info: mwcap_video_frame_info, init_time: DeviceInitTime) -> "FrameInfo":
-
         buffering_start_time_device_ticks = (
             info.allFieldStartTimes[1] if info.bInterlaced else info.allFieldStartTimes[0]
         )
diff --git a/src/pymagewell/pro_capture_device/pro_capture_device.py b/src/pymagewell/pro_capture_device/pro_capture_device.py
index 92b04ca..23840e7 100644
--- a/src/pymagewell/pro_capture_device/pro_capture_device.py
+++ b/src/pymagewell/pro_capture_device/pro_capture_device.py
@@ -282,7 +282,6 @@ def event(self) -> TimerEvent:
         return self._timer_event
 
     def schedule_timer_event(self, device_time_now: mw_device_time) -> None:
-
         if self._frame_expire_time is None:
             self._frame_expire_time = device_time_now
         self._frame_expire_time.m_ll_device_time.value += int(
diff --git a/src/tests/test_capture_controller.py b/src/tests/test_capture_controller.py
index 89dd897..928d28f 100644
--- a/src/tests/test_capture_controller.py
+++ b/src/tests/test_capture_controller.py
@@ -18,7 +18,7 @@ def setUp(self) -> None:
         device_settings = ProCaptureSettings()
         device_settings.transfer_mode = TransferMode.TIMER
         assert hasattr(self, "hardware_mode_is_set")
-        if self.hardware_mode_is_set:  # type: ignore
+        if self.hardware_mode_is_set:
             self._device: ProCaptureDeviceInterface = ProCaptureDevice(device_settings)
         else:
             self._device = MockProCaptureDevice(device_settings)
diff --git a/src/tests/test_device.py b/src/tests/test_device.py
index 916c6ae..3c4473d 100644
--- a/src/tests/test_device.py
+++ b/src/tests/test_device.py
@@ -19,7 +19,7 @@ def setUp(self) -> None:
         device_settings.transfer_mode = TransferMode.TIMER
 
         assert hasattr(self, "hardware_mode_is_set")
-        if self.hardware_mode_is_set:  # type: ignore
+        if self.hardware_mode_is_set:
             self._device: ProCaptureDeviceInterface = ProCaptureDevice(device_settings)
         else:
             self._device = MockProCaptureDevice(device_settings)
diff --git a/src/tests/test_frame.py b/src/tests/test_frame.py
index a77195c..1178739 100644
--- a/src/tests/test_frame.py
+++ b/src/tests/test_frame.py
@@ -24,7 +24,6 @@ def _make_frame(test_frame_rgb24_array: NDArray[uint8], colour_format: ColourFor
     if colour_format == ColourFormat.RGB24:
         image_bytes = test_frame_rgb24_array.tobytes()
     else:
-
         image_bytes = FFMPEG_INSTANCE.encode_rgb24_array(test_frame_rgb24_array, colour_format)
     frame = VideoFrame(
         string_buffer=image_bytes, dimensions=_frame_dimensions, timestamps=_frame_timestamps, format=colour_format