diff --git a/custom_components/average/recorder.py b/custom_components/average/recorder.py
deleted file mode 100644
index 2460e9c..0000000
--- a/custom_components/average/recorder.py
+++ /dev/null
@@ -1,14 +0,0 @@
-"""Integration platform for recorder."""
-from __future__ import annotations
-
-from homeassistant.core import HomeAssistant, callback
-
-from .const import ATTR_SOURCES, ATTR_TO_PROPERTY
-
-
-@callback
-def exclude_attributes(hass: HomeAssistant) -> set[str]:
-    """Exclude unimportant attributes from being recorded in the database."""
-    attributes_to_exclude = set(ATTR_TO_PROPERTY)
-    attributes_to_exclude.discard(ATTR_SOURCES)
-    return attributes_to_exclude
diff --git a/custom_components/average/sensor.py b/custom_components/average/sensor.py
index 368e5e2..fac7c2f 100644
--- a/custom_components/average/sensor.py
+++ b/custom_components/average/sensor.py
@@ -2,28 +2,27 @@
 #  Creative Commons BY-NC-SA 4.0 International Public License
 #  (see LICENSE.md or https://creativecommons.org/licenses/by-nc-sa/4.0/)
 
-"""
-The Average Sensor.
+"""The Average Sensor.
 
 For more details about this sensor, please refer to the documentation at
 https://github.com/Limych/ha-average/
 """
 from __future__ import annotations
 
+from collections.abc import Mapping
 import datetime
 import logging
 import math
 import numbers
-from _sha1 import sha1
-from typing import Any, Mapping, Optional
+from typing import Any, Optional
 
-import homeassistant.util.dt as dt_util
+from _sha1 import sha1
 import voluptuous as vol
+
 from homeassistant.components.climate import DOMAIN as CLIMATE_DOMAIN
 from homeassistant.components.group import expand_entity_ids
 from homeassistant.components.recorder import get_instance, history
-from homeassistant.components.sensor import STATE_CLASS_MEASUREMENT, \
-    SensorEntity
+from homeassistant.components.sensor import STATE_CLASS_MEASUREMENT, SensorEntity
 from homeassistant.components.water_heater import DOMAIN as WATER_HEATER_DOMAIN
 from homeassistant.components.weather import DOMAIN as WEATHER_DOMAIN
 from homeassistant.const import (
@@ -44,10 +43,18 @@
 from homeassistant.helpers.config_validation import PLATFORM_SCHEMA
 from homeassistant.helpers.event import async_track_state_change
 from homeassistant.util import Throttle
+import homeassistant.util.dt as dt_util
 from homeassistant.util.unit_conversion import TemperatureConverter
 from homeassistant.util.unit_system import TEMPERATURE_UNITS
 
 from .const import (
+    ATTR_AVAILABLE_SOURCES,
+    ATTR_COUNT,
+    ATTR_COUNT_SOURCES,
+    ATTR_END,
+    ATTR_MAX_VALUE,
+    ATTR_MIN_VALUE,
+    ATTR_START,
     ATTR_TO_PROPERTY,
     CONF_DURATION,
     CONF_END,
@@ -126,6 +133,18 @@ async def async_setup_platform(
 class AverageSensor(SensorEntity):
     """Implementation of an Average sensor."""
 
+    _unrecorded_attributes = frozenset(
+        {
+            ATTR_START,
+            ATTR_END,
+            ATTR_COUNT_SOURCES,
+            ATTR_AVAILABLE_SOURCES,
+            ATTR_COUNT,
+            ATTR_MAX_VALUE,
+            ATTR_MIN_VALUE,
+        }
+    )
+
     # pylint: disable=too-many-arguments
     def __init__(
         self,
@@ -256,7 +275,9 @@ def _get_temperature(self, state: State) -> Optional[float]:
             return None
 
         try:
-            temperature = TemperatureConverter.convert(float(temperature), entity_unit, ha_unit)
+            temperature = TemperatureConverter.convert(
+                float(temperature), entity_unit, ha_unit
+            )
         except ValueError as exc:
             _LOGGER.error('Could not convert value "%s" to float: %s', state, exc)
             return None
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7cb07d2..ed2ae91 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,6 +2,6 @@
 black~=23.9.0
 packaging~=23.0
 pre-commit~=3.0
-PyGithub~=1.57
-pyupgrade~=3.3
+PyGithub~=1.59
+pyupgrade~=3.13
 yamllint~=1.28
diff --git a/requirements-test.txt b/requirements-test.txt
index 82883ac..2cbcad2 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -2,11 +2,11 @@
 flake8~=6.0
 flake8-docstrings~=1.6
 fnv-hash-fast~=0.4
-mypy==1.5.0
+mypy~=1.5.0
 psutil-home-assistant==0.0.1
 pylint~=2.15
 pylint-strict-informational==0.1
 pytest>=7.2
 pytest-cov>=3.0
-pytest-homeassistant-custom-component>=0.13
+pytest-homeassistant-custom-component>=0.12.49
 pytest-asyncio>=0.20