diff --git a/custom_components/fuel_prices/manifest.json b/custom_components/fuel_prices/manifest.json
index b3d9897..7da2cca 100644
--- a/custom_components/fuel_prices/manifest.json
+++ b/custom_components/fuel_prices/manifest.json
@@ -13,7 +13,7 @@
     "xmltodict",
     "brotli",
     "these-united-states==1.1.0.21",
-    "pyfuelprices==2024.11.4"
+    "pyfuelprices==2024.11.5"
   ],
   "ssdp": [],
   "version": "0.0.0",
diff --git a/custom_components/fuel_prices/sensor.py b/custom_components/fuel_prices/sensor.py
index 6453495..2ed0c93 100644
--- a/custom_components/fuel_prices/sensor.py
+++ b/custom_components/fuel_prices/sensor.py
@@ -10,6 +10,7 @@
 from datetime import datetime, timedelta
 
 from homeassistant.components.sensor import SensorEntity
+from homeassistant.components.sensor.const import SensorDeviceClass
 from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE, CONF_RADIUS, CONF_NAME, STATE_UNKNOWN
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -117,6 +118,13 @@ def state_class(self) -> str:
             return None
         return "total"
 
+    @property
+    def device_class(self) -> SensorDeviceClass | None:
+        """Return device class."""
+        if isinstance(self.native_value, str):
+            return None
+        return SensorDeviceClass.MONETARY
+
 
 class CheapestFuelSensor(CheapestFuelEntity, SensorEntity):
     """A entity that shows the cheapest fuel for an area."""
@@ -126,6 +134,7 @@ class CheapestFuelSensor(CheapestFuelEntity, SensorEntity):
     _last_update = None
     _next_update = datetime.now()
     _cached_data = None
+    _attr_device_class = SensorDeviceClass.MONETARY
 
     async def async_update(self) -> None:
         """Update device data."""
@@ -176,6 +185,6 @@ def extra_state_attributes(self) -> Mapping[str, Any] | None:
         """Return extra state attributes."""
         data = self._cached_data
         data["area"] = self._area
-        data["last_updated"] = self._last_update
-        data["next_update"] = self._next_update
+        data["sensor_last_poll"] = self._last_update
+        data["sensor_next_poll"] = self._next_update
         return data
diff --git a/requirements.txt b/requirements.txt
index db5dbcb..fdf28eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ colorlog==6.7.0
 homeassistant==2024.11.0
 pip>=21.0,<23.2
 ruff==0.0.292
-pyfuelprices==2024.11.4
\ No newline at end of file
+pyfuelprices==2024.11.5
\ No newline at end of file