diff --git a/homeassistant/components/onewire/binary_sensor.py b/homeassistant/components/onewire/binary_sensor.py
index 5d3c71b5eae..c8127980d5e 100644
--- a/homeassistant/components/onewire/binary_sensor.py
+++ b/homeassistant/components/onewire/binary_sensor.py
@@ -19,7 +19,9 @@ from .const import DEVICE_KEYS_0_3, DEVICE_KEYS_0_7, DEVICE_KEYS_A_B, READ_MODE_
 from .entity import OneWireEntity, OneWireEntityDescription
 from .onewirehub import OneWireConfigEntry, OneWireHub
 
-PARALLEL_UPDATES = 1
+# the library uses non-persistent connections
+# and concurrent access to the bus is managed by the server
+PARALLEL_UPDATES = 0
 SCAN_INTERVAL = timedelta(seconds=30)
 
 
diff --git a/homeassistant/components/onewire/sensor.py b/homeassistant/components/onewire/sensor.py
index e345550c265..e019a064e3d 100644
--- a/homeassistant/components/onewire/sensor.py
+++ b/homeassistant/components/onewire/sensor.py
@@ -41,7 +41,9 @@ from .const import (
 from .entity import OneWireEntity, OneWireEntityDescription
 from .onewirehub import OneWireConfigEntry, OneWireHub
 
-PARALLEL_UPDATES = 1
+# the library uses non-persistent connections
+# and concurrent access to the bus is managed by the server
+PARALLEL_UPDATES = 0
 SCAN_INTERVAL = timedelta(seconds=30)
 
 
diff --git a/homeassistant/components/onewire/switch.py b/homeassistant/components/onewire/switch.py
index 57f4f41924e..645a3b5f2ea 100644
--- a/homeassistant/components/onewire/switch.py
+++ b/homeassistant/components/onewire/switch.py
@@ -16,7 +16,9 @@ from .const import DEVICE_KEYS_0_3, DEVICE_KEYS_0_7, DEVICE_KEYS_A_B, READ_MODE_
 from .entity import OneWireEntity, OneWireEntityDescription
 from .onewirehub import OneWireConfigEntry, OneWireHub
 
-PARALLEL_UPDATES = 1
+# the library uses non-persistent connections
+# and concurrent access to the bus is managed by the server
+PARALLEL_UPDATES = 0
 SCAN_INTERVAL = timedelta(seconds=30)