diff --git a/homeassistant/components/wemo.py b/homeassistant/components/wemo.py
index eefaa7bc1fc..d06c02b324a 100644
--- a/homeassistant/components/wemo.py
+++ b/homeassistant/components/wemo.py
@@ -9,7 +9,7 @@ import logging
 from homeassistant.components import discovery
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP
 
-REQUIREMENTS = ['pywemo==0.4.1']
+REQUIREMENTS = ['pywemo==0.4.2']
 
 DOMAIN = 'wemo'
 DISCOVER_LIGHTS = 'wemo.light'
diff --git a/requirements_all.txt b/requirements_all.txt
index b187da5c583..81d94cf7a6c 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -251,7 +251,7 @@ pyuserinput==0.1.9
 pyvera==0.2.10
 
 # homeassistant.components.wemo
-pywemo==0.4.1
+pywemo==0.4.2
 
 # homeassistant.components.thermostat.radiotherm
 radiotherm==1.2