diff --git a/homeassistant/components/climate/radiotherm.py b/homeassistant/components/climate/radiotherm.py
index b3043689f8c..c8441a9f7af 100644
--- a/homeassistant/components/climate/radiotherm.py
+++ b/homeassistant/components/climate/radiotherm.py
@@ -18,7 +18,7 @@ from homeassistant.const import (
     CONF_HOST, TEMP_FAHRENHEIT, ATTR_TEMPERATURE, PRECISION_HALVES)
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['radiotherm==1.3']
+REQUIREMENTS = ['radiotherm==1.4.1']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 78146cbb77a..358225b69ea 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1201,7 +1201,7 @@ qnapstats==0.2.6
 rachiopy==0.1.3
 
 # homeassistant.components.climate.radiotherm
-radiotherm==1.3
+radiotherm==1.4.1
 
 # homeassistant.components.raincloud
 raincloudy==0.0.5