diff --git a/custom_components/mail_and_packages/diagnostics.py b/custom_components/mail_and_packages/diagnostics.py
index ae4aaf9f..a951c2f4 100644
--- a/custom_components/mail_and_packages/diagnostics.py
+++ b/custom_components/mail_and_packages/diagnostics.py
@@ -16,8 +16,9 @@
 
 REDACT_KEYS = {CONF_PASSWORD, CONF_USERNAME}
 
+
 async def async_get_config_entry_diagnostics(
-    hass: HomeAssistant, config_entry: ConfigEntry
+    hass: HomeAssistant, config_entry: ConfigEntry  # pylint: disable=unused-argument
 ) -> dict[str, Any]:
     """Return diagnostics for a config entry."""
     diag: dict[str, Any] = {}
@@ -26,8 +27,10 @@ async def async_get_config_entry_diagnostics(
 
 
 async def async_get_device_diagnostics(
-    hass: HomeAssistant, config_entry: ConfigEntry, device: DeviceEntry
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    device: DeviceEntry,  # pylint: disable=unused-argument
 ) -> dict[str, Any]:
     """Return diagnostics for a device."""
     coordinator = hass.data[DOMAIN][config_entry.entry_id][COORDINATOR]
-    return coordinator.data
\ No newline at end of file
+    return coordinator.data
diff --git a/requirements.txt b/requirements.txt
index ccbc0efc..cd0978a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-imageio
-python-resize-image
\ No newline at end of file
+imageio==2.16.0
+python-resize-image==1.1.20
\ No newline at end of file
diff --git a/requirements_format.txt b/requirements_format.txt
index 1e6db1fb..a870154b 100644
--- a/requirements_format.txt
+++ b/requirements_format.txt
@@ -1,6 +1,6 @@
-black
-isort
-flake8
-pydocstyle
-pylint
-mypy
\ No newline at end of file
+black==22.1.0
+isort==5.10.1
+flake8==4.0.1
+pydocstyle==6.1.1
+pylint==2.12.2
+mypy==0.931
\ No newline at end of file
diff --git a/requirements_test.txt b/requirements_test.txt
index c08fdf47..1894a041 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,9 +1,11 @@
 -r requirements.txt
-av
+pip>=21.0,<22.1
+av==8.1.0
 aiohttp_cors
-aioresponses
-black
-isort
-pytest
-pytest-cov
-pytest-homeassistant-custom-component
+aioresponses==0.7.3
+black==22.1.0
+isort==5.10.1
+pytest==7.0.1
+pytest-cov==3.0.0
+pytest-homeassistant-custom-component==0.6.12
+homeassistant==2022.2.6
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index 1cb1727a..dea061dc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,18 +1,17 @@
 [tox]
 skipsdist = true
-envlist = py38, py39, py310, lint, mypy
+envlist = py39, py310, lint, mypy
 skip_missing_interpreters = True
 ignore_basepython_conflict = True
 
 [gh-actions]
 python =
-  3.8: py38, lint, mypy
   3.9: py39, lint, mypy
   3.10: py310
 
 [testenv]
 pip_version = pip>=21.0,<22.1
-install_command = python -m pip install --use-deprecated legacy-resolver {opts} {packages}
+install_command = python -m pip install {opts} {packages}
 commands =
   pytest --timeout=30 --cov=custom_components/mail_and_packages/ --cov-report=xml {posargs}
 deps =