diff --git a/homeassistant/components/sensor/co2signal.py b/homeassistant/components/sensor/co2signal.py
index ad46f3b494f..7b4cd67bd70 100644
--- a/homeassistant/components/sensor/co2signal.py
+++ b/homeassistant/components/sensor/co2signal.py
@@ -15,7 +15,7 @@ from homeassistant.helpers.entity import Entity
 
 CONF_COUNTRY_CODE = "country_code"
 
-REQUIREMENTS = ['co2signal==0.4.1']
+REQUIREMENTS = ['co2signal==0.4.2']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index ba09538df88..f4ac7f34125 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -262,7 +262,7 @@ caldav==0.5.0
 ciscosparkapi==0.4.2
 
 # homeassistant.components.sensor.co2signal
-co2signal==0.4.1
+co2signal==0.4.2
 
 # homeassistant.components.coinbase
 coinbase==2.1.0