diff --git a/homeassistant/components/notify/mastodon.py b/homeassistant/components/notify/mastodon.py
index e29289722e89b..095e3f98ff91e 100644
--- a/homeassistant/components/notify/mastodon.py
+++ b/homeassistant/components/notify/mastodon.py
@@ -13,7 +13,7 @@
 from homeassistant.const import CONF_ACCESS_TOKEN
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['Mastodon.py==1.3.0']
+REQUIREMENTS = ['Mastodon.py==1.3.1']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 79d1e231d24a8..fc54593a70161 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -33,7 +33,7 @@ DoorBirdPy==0.1.3
 HAP-python==2.2.2
 
 # homeassistant.components.notify.mastodon
-Mastodon.py==1.3.0
+Mastodon.py==1.3.1
 
 # homeassistant.components.isy994
 PyISY==1.1.0