diff --git a/homeassistant/components/tankerkoenig/binary_sensor.py b/homeassistant/components/tankerkoenig/binary_sensor.py
index a38266e57e8..d571dfe99d2 100644
--- a/homeassistant/components/tankerkoenig/binary_sensor.py
+++ b/homeassistant/components/tankerkoenig/binary_sensor.py
@@ -17,6 +17,9 @@ from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from .coordinator import TankerkoenigConfigEntry, TankerkoenigDataUpdateCoordinator
 from .entity import TankerkoenigCoordinatorEntity
 
+# Coordinator is used to centralize the data updates
+PARALLEL_UPDATES = 0
+
 _LOGGER = logging.getLogger(__name__)
 
 
diff --git a/homeassistant/components/tankerkoenig/sensor.py b/homeassistant/components/tankerkoenig/sensor.py
index b1646489d96..82c89f90fe4 100644
--- a/homeassistant/components/tankerkoenig/sensor.py
+++ b/homeassistant/components/tankerkoenig/sensor.py
@@ -24,6 +24,9 @@ from .const import (
 from .coordinator import TankerkoenigConfigEntry, TankerkoenigDataUpdateCoordinator
 from .entity import TankerkoenigCoordinatorEntity
 
+# Coordinator is used to centralize the data updates
+PARALLEL_UPDATES = 0
+
 _LOGGER = logging.getLogger(__name__)