diff --git a/homeassistant/components/tellstick.py b/homeassistant/components/tellstick.py
index 9746dbf749f..0eef2c4ece1 100644
--- a/homeassistant/components/tellstick.py
+++ b/homeassistant/components/tellstick.py
@@ -17,7 +17,7 @@ from homeassistant.const import (
 from homeassistant.helpers.entity import Entity
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['tellcore-py==1.1.2', 'tellcore-net==0.3']
+REQUIREMENTS = ['tellcore-py==1.1.2', 'tellcore-net==0.4']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 5cddd076014..1b606774859 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1075,7 +1075,7 @@ tank_utility==1.4.0
 tapsaff==0.1.3
 
 # homeassistant.components.tellstick
-tellcore-net==0.3
+tellcore-net==0.4
 
 # homeassistant.components.tellstick
 tellcore-py==1.1.2