diff --git a/homeassistant/components/switch/wemo.py b/homeassistant/components/switch/wemo.py
index 43c325795c6..56823b5ddb3 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==0.3.10']
+REQUIREMENTS = ['pywemo==0.3.12']
 _LOGGER = logging.getLogger(__name__)
 
 _WEMO_SUBSCRIPTION_REGISTRY = None
diff --git a/requirements_all.txt b/requirements_all.txt
index 4b804dc9cec..525e3b25177 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -214,7 +214,7 @@ pyuserinput==0.1.9
 pyvera==0.2.8
 
 # homeassistant.components.switch.wemo
-pywemo==0.3.10
+pywemo==0.3.12
 
 # homeassistant.components.thermostat.radiotherm
 radiotherm==1.2