diff --git a/homeassistant/components/zha/__init__.py b/homeassistant/components/zha/__init__.py
index e397b7d042a..1b2d46ee72b 100644
--- a/homeassistant/components/zha/__init__.py
+++ b/homeassistant/components/zha/__init__.py
@@ -14,7 +14,7 @@ from homeassistant import const as ha_const
 from homeassistant.helpers import discovery, entity
 from homeassistant.util import slugify
 
-REQUIREMENTS = ['bellows==0.3.2']
+REQUIREMENTS = ['bellows==0.3.4']
 
 DOMAIN = 'zha'
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 48a3f677345..53f37caf256 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -92,7 +92,7 @@ batinfo==0.4.2
 beautifulsoup4==4.6.0
 
 # homeassistant.components.zha
-bellows==0.3.2
+bellows==0.3.4
 
 # homeassistant.components.blink
 blinkpy==0.6.0