diff --git a/homeassistant/components/isy994.py b/homeassistant/components/isy994.py
index 9b539b0690a..a9916ed54fe 100644
--- a/homeassistant/components/isy994.py
+++ b/homeassistant/components/isy994.py
@@ -17,7 +17,7 @@ from homeassistant.helpers import discovery, config_validation as cv
 from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.typing import ConfigType, Dict
 
-REQUIREMENTS = ['PyISY==1.1.0']
+REQUIREMENTS = ['PyISY==1.1.1']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 3ce631ef8c7..1cbea00ad96 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -39,7 +39,7 @@ HAP-python==2.4.2
 Mastodon.py==1.3.1
 
 # homeassistant.components.isy994
-PyISY==1.1.0
+PyISY==1.1.1
 
 # homeassistant.components.sensor.mvglive
 PyMVGLive==1.1.4