diff --git a/homeassistant/components/tessie/binary_sensor.py b/homeassistant/components/tessie/binary_sensor.py
index ca78b19a42b2d..15a68ca4173e7 100644
--- a/homeassistant/components/tessie/binary_sensor.py
+++ b/homeassistant/components/tessie/binary_sensor.py
@@ -24,6 +24,8 @@ class TessieBinarySensorEntityDescription(BinarySensorEntityDescription):
     """Describes Tessie binary sensor entity."""
 
     is_on: Callable[..., bool] = lambda x: x
+    frozen = True
+    kw_only = True
 
 
 DESCRIPTIONS: tuple[TessieBinarySensorEntityDescription, ...] = (
diff --git a/homeassistant/components/tessie/sensor.py b/homeassistant/components/tessie/sensor.py
index 2836b7e39317f..f69c326da0581 100644
--- a/homeassistant/components/tessie/sensor.py
+++ b/homeassistant/components/tessie/sensor.py
@@ -37,6 +37,8 @@ class TessieSensorEntityDescription(SensorEntityDescription):
     """Describes Tessie Sensor entity."""
 
     value_fn: Callable[[StateType], StateType] = lambda x: x
+    frozen = True
+    kw_only = True
 
 
 DESCRIPTIONS: tuple[TessieSensorEntityDescription, ...] = (