diff --git a/homeassistant/components/lcn/binary_sensor.py b/homeassistant/components/lcn/binary_sensor.py
index d8418c6d838..b124b3f6188 100644
--- a/homeassistant/components/lcn/binary_sensor.py
+++ b/homeassistant/components/lcn/binary_sensor.py
@@ -25,6 +25,8 @@ from .const import BINSENSOR_PORTS, CONF_DOMAIN_DATA, DOMAIN, SETPOINTS
 from .entity import LcnEntity
 from .helpers import InputType, LcnConfigEntry
 
+PARALLEL_UPDATES = 0
+
 
 def add_lcn_entities(
     config_entry: LcnConfigEntry,
diff --git a/homeassistant/components/lcn/sensor.py b/homeassistant/components/lcn/sensor.py
index fd90c024383..da475e50005 100644
--- a/homeassistant/components/lcn/sensor.py
+++ b/homeassistant/components/lcn/sensor.py
@@ -38,6 +38,8 @@ from .const import (
 from .entity import LcnEntity
 from .helpers import InputType, LcnConfigEntry
 
+PARALLEL_UPDATES = 0
+
 DEVICE_CLASS_MAPPING = {
     pypck.lcn_defs.VarUnit.CELSIUS: SensorDeviceClass.TEMPERATURE,
     pypck.lcn_defs.VarUnit.KELVIN: SensorDeviceClass.TEMPERATURE,