diff --git a/custom_components/dwd_pollen/manifest.json b/custom_components/dwd_pollen/manifest.json
index f975b3a..1288d18 100644
--- a/custom_components/dwd_pollen/manifest.json
+++ b/custom_components/dwd_pollen/manifest.json
@@ -5,5 +5,6 @@
   "dependencies": ["sensor"],
   "after_dependencies": ["rest"],
   "codeowners": [],
-  "requirements": ["voluptuous==0.12.1", "jsonpath==0.82"]
-}
\ No newline at end of file
+  "requirements": ["voluptuous==0.15.2", "jsonpath==0.82"],
+  "version": "0.1.0"
+}
diff --git a/custom_components/dwd_pollen/sensor.py b/custom_components/dwd_pollen/sensor.py
index 0ede1e1..73e2d4f 100644
--- a/custom_components/dwd_pollen/sensor.py
+++ b/custom_components/dwd_pollen/sensor.py
@@ -16,7 +16,7 @@
 from homeassistant.const import (
     ATTR_ATTRIBUTION, CONF_NAME)
 from homeassistant.util import Throttle
-from homeassistant.components.rest.sensor import RestData
+from homeassistant.components.rest.data import RestData
 
 STAT_AVG = 'avg'
 
@@ -110,7 +110,18 @@ def __init__(self, hass, partregion_ids):
         """Initialize the data object."""
         resource = "https://opendata.dwd.de/climate_environment/health/alerts/s31fg.json"
 
-        self._rest = RestData(hass, 'GET', resource, None, None, None, None, True)
+        self._rest = RestData(
+            hass,
+            'GET',
+            resource,
+            "UTF-8",
+            None,
+            None,
+            None,
+            None,
+            True,
+            "python_default",
+        )
         self._partregion_ids = partregion_ids
         self.last_update = None
         self.sensordata = {}
@@ -294,6 +305,11 @@ def name(self):
         """Return the name of the sensor."""
         return "%s_%02d_%s_%s" % (self._entity_name, self._partregion_id, self._day, self._internal_pollen_id)
 
+    @property
+    def unique_id(self):
+        """Return the ID """
+        return self.name
+
     @property
     def icon(self):
         """Icon to use in the frontend, if any."""
@@ -361,6 +377,11 @@ def name(self):
         """Return the name of the sensor."""
         return "%s_%02d_%s_%s" % (self._entity_name, self._partregion_id, self._day, self._statistic_type)
 
+    @property
+    def unique_id(self):
+        """Return the ID """
+        return self.name
+
     @property
     def icon(self):
         """Icon to use in the frontend, if any."""