diff --git a/homeassistant/components/sensor/zwave.py b/homeassistant/components/sensor/zwave.py
index c66816541fb..b3f55efd779 100644
--- a/homeassistant/components/sensor/zwave.py
+++ b/homeassistant/components/sensor/zwave.py
@@ -54,6 +54,11 @@ class ZWaveSensor(zwave.ZWaveDeviceEntity):
         """Initialize the sensor."""
         zwave.ZWaveDeviceEntity.__init__(self, value, DOMAIN)
 
+    @property
+    def force_update(self):
+        """Return force_update."""
+        return True
+
     @property
     def state(self):
         """Return the state of the sensor."""