diff --git a/homeassistant/components/notify/telegram.py b/homeassistant/components/notify/telegram.py
index a446644ef04..77bf597d446 100644
--- a/homeassistant/components/notify/telegram.py
+++ b/homeassistant/components/notify/telegram.py
@@ -14,7 +14,7 @@ from homeassistant.helpers import validate_config
 
 _LOGGER = logging.getLogger(__name__)
 
-REQUIREMENTS = ['python-telegram-bot==4.1.1']
+REQUIREMENTS = ['python-telegram-bot==4.2.0']
 
 
 def get_service(hass, config):
diff --git a/requirements_all.txt b/requirements_all.txt
index 1bfb30e5a35..5b6cb644586 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -286,7 +286,7 @@ python-pushover==0.2
 python-statsd==1.7.2
 
 # homeassistant.components.notify.telegram
-python-telegram-bot==4.1.1
+python-telegram-bot==4.2.0
 
 # homeassistant.components.sensor.twitch
 python-twitch==1.2.0