diff --git a/homeassistant/components/light/vera.py b/homeassistant/components/light/vera.py
index 46b4e7c7da8..48e84e5cfb4 100644
--- a/homeassistant/components/light/vera.py
+++ b/homeassistant/components/light/vera.py
@@ -15,7 +15,7 @@ from homeassistant.components.light import ATTR_BRIGHTNESS
 
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP, STATE_ON
 
-REQUIREMENTS = ['pyvera==0.2.7']
+REQUIREMENTS = ['pyvera==0.2.8']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/sensor/vera.py b/homeassistant/components/sensor/vera.py
index c587764ae2e..fe003030e0c 100644
--- a/homeassistant/components/sensor/vera.py
+++ b/homeassistant/components/sensor/vera.py
@@ -15,7 +15,7 @@ from homeassistant.const import (
     ATTR_BATTERY_LEVEL, ATTR_TRIPPED, ATTR_ARMED, ATTR_LAST_TRIP_TIME,
     TEMP_CELCIUS, TEMP_FAHRENHEIT, EVENT_HOMEASSISTANT_STOP)
 
-REQUIREMENTS = ['pyvera==0.2.7']
+REQUIREMENTS = ['pyvera==0.2.8']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/switch/vera.py b/homeassistant/components/switch/vera.py
index 3626175c03c..0655f29bbbf 100644
--- a/homeassistant/components/switch/vera.py
+++ b/homeassistant/components/switch/vera.py
@@ -21,7 +21,7 @@ from homeassistant.const import (
     STATE_ON,
     STATE_OFF)
 
-REQUIREMENTS = ['pyvera==0.2.7']
+REQUIREMENTS = ['pyvera==0.2.8']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/switch/wemo.py b/homeassistant/components/switch/wemo.py
index d828e23464c..c6d92818466 100644
--- a/homeassistant/components/switch/wemo.py
+++ b/homeassistant/components/switch/wemo.py
@@ -12,7 +12,7 @@ from homeassistant.components.switch import SwitchDevice
 from homeassistant.const import (
     STATE_ON, STATE_OFF, STATE_STANDBY, EVENT_HOMEASSISTANT_STOP)
 
-REQUIREMENTS = ['pywemo==0.3.8']
+REQUIREMENTS = ['pywemo==0.3.9']
 _LOGGER = logging.getLogger(__name__)
 
 _WEMO_SUBSCRIPTION_REGISTRY = None
@@ -153,6 +153,18 @@ class WemoSwitch(SwitchDevice):
         """ True if switch is on. """
         return self.wemo.get_state()
 
+    @property
+    def available(self):
+        """ True if switch is available. """
+        if (self.wemo.model_name == 'Insight' and
+                self.insight_params is None):
+            return False
+
+        if (self.wemo.model_name == 'Maker' and
+                self.maker_params is None):
+            return False
+        return True
+
     def turn_on(self, **kwargs):
         """ Turns the switch on. """
         self.wemo.on()
diff --git a/requirements_all.txt b/requirements_all.txt
index 23a758240a5..29baf410151 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -196,10 +196,10 @@ pyuserinput==0.1.9
 # homeassistant.components.light.vera
 # homeassistant.components.sensor.vera
 # homeassistant.components.switch.vera
-pyvera==0.2.7
+pyvera==0.2.8
 
 # homeassistant.components.switch.wemo
-pywemo==0.3.8
+pywemo==0.3.9
 
 # homeassistant.components.thermostat.radiotherm
 radiotherm==1.2