diff --git a/homeassistant/components/discovery.py b/homeassistant/components/discovery.py
index f0ebcba8366778..69d0f4796ff235 100644
--- a/homeassistant/components/discovery.py
+++ b/homeassistant/components/discovery.py
@@ -21,7 +21,7 @@
 from homeassistant.helpers.discovery import async_load_platform, async_discover
 import homeassistant.util.dt as dt_util
 
-REQUIREMENTS = ['netdisco==1.3.1']
+REQUIREMENTS = ['netdisco==1.4.0']
 
 DOMAIN = 'discovery'
 
diff --git a/requirements_all.txt b/requirements_all.txt
index baf907c0459b4b..fa35b83bd8493c 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -553,7 +553,7 @@ nad_receiver==0.0.9
 nanoleaf==0.4.1
 
 # homeassistant.components.discovery
-netdisco==1.3.1
+netdisco==1.4.0
 
 # homeassistant.components.sensor.neurio_energy
 neurio==0.3.1