diff --git a/custom_components/frigate/camera.py b/custom_components/frigate/camera.py
index ebde5eae..7fd41f95 100644
--- a/custom_components/frigate/camera.py
+++ b/custom_components/frigate/camera.py
@@ -300,12 +300,12 @@ def extra_state_attributes(self) -> dict[str, str]:
         }
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> CameraEntityFeature:
         """Return supported features of this camera."""
         if not self._attr_is_streaming:
-            return 0
+            return CameraEntityFeature(0)
 
-        return cast(int, CameraEntityFeature.STREAM)
+        return CameraEntityFeature.STREAM
 
     async def async_camera_image(
         self, width: int | None = None, height: int | None = None
@@ -446,9 +446,9 @@ def device_info(self) -> dict[str, Any]:
         }
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> CameraEntityFeature:
         """Return supported features of this camera."""
-        return cast(int, CameraEntityFeature.STREAM)
+        return CameraEntityFeature.STREAM
 
     async def async_camera_image(
         self, width: int | None = None, height: int | None = None
diff --git a/custom_components/frigate/sensor.py b/custom_components/frigate/sensor.py
index 0b31e77b..9bf3b963 100644
--- a/custom_components/frigate/sensor.py
+++ b/custom_components/frigate/sensor.py
@@ -5,7 +5,7 @@
 from typing import Any
 
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_URL, PERCENTAGE, TEMP_CELSIUS
+from homeassistant.const import CONF_URL, PERCENTAGE, UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity import DeviceInfo, EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -538,7 +538,7 @@ def state(self) -> float | None:
     @property
     def unit_of_measurement(self) -> Any:
         """Return the unit of measurement of the sensor."""
-        return TEMP_CELSIUS
+        return UnitOfTemperature.CELSIUS
 
     @property
     def icon(self) -> str:
diff --git a/tests/test_media_source.py b/tests/test_media_source.py
index 5d5b5a9f..f55b6d4a 100644
--- a/tests/test_media_source.py
+++ b/tests/test_media_source.py
@@ -647,9 +647,10 @@ async def test_async_resolve_media(
 
     # Convert from HA local timezone to UTC.
     info = await system_info.async_get_system_info(hass)
-    date = datetime.datetime(2021, 5, 30, 15, 46, 8)
-    date = pytz.timezone(info.get("timezone", "utc")).localize(date)
-    date = date.astimezone(pytz.utc)
+    date = datetime.datetime(2021, 5, 30, 15, 46, 8, 0, datetime.timezone.utc) - (
+        datetime.datetime.now(pytz.timezone(info.get("timezone", "utc"))).utcoffset()
+        or datetime.timedelta()
+    )
 
     assert media == PlayMedia(
         url=(
diff --git a/tests/test_sensor.py b/tests/test_sensor.py
index 8caa3dcb..a3bc9ef2 100644
--- a/tests/test_sensor.py
+++ b/tests/test_sensor.py
@@ -29,7 +29,7 @@
     ICON_SERVER,
     ICON_SPEEDOMETER,
 )
-from homeassistant.const import PERCENTAGE, TEMP_CELSIUS
+from homeassistant.const import PERCENTAGE, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import device_registry as dr, entity_registry as er
 import homeassistant.util.dt as dt_util
@@ -234,7 +234,7 @@ async def test_coral_temp_sensor(hass: HomeAssistant) -> None:
     assert entity_state
     assert entity_state.state == "50.0"
     assert entity_state.attributes["icon"] == ICON_CORAL
-    assert entity_state.attributes["unit_of_measurement"] == TEMP_CELSIUS
+    assert entity_state.attributes["unit_of_measurement"] == UnitOfTemperature.CELSIUS
 
     stats: dict[str, Any] = copy.deepcopy(TEST_STATS)
     client.async_get_stats = AsyncMock(return_value=stats)