diff --git a/homeassistant/components/gc100.py b/homeassistant/components/gc100.py
index 7c772e345ae..bc627d44417 100644
--- a/homeassistant/components/gc100.py
+++ b/homeassistant/components/gc100.py
@@ -12,7 +12,7 @@ from homeassistant.const import (
     EVENT_HOMEASSISTANT_STOP, CONF_HOST, CONF_PORT)
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['python-gc100==1.0.1a']
+REQUIREMENTS = ['python-gc100==1.0.3a']
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -42,7 +42,7 @@ def setup(hass, base_config):
 
     gc_device = gc100.GC100SocketClient(host, port)
 
-    def cleanup_gc100():
+    def cleanup_gc100(event):
         """Stuff to do before stopping."""
         gc_device.quit()
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 6db5418fba2..cb20d998710 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -816,7 +816,7 @@ python-etherscan-api==0.0.1
 python-forecastio==1.3.5
 
 # homeassistant.components.gc100
-python-gc100==1.0.1a
+python-gc100==1.0.3a
 
 # homeassistant.components.sensor.hp_ilo
 python-hpilo==3.9