diff --git a/requirements_all.txt b/requirements_all.txt
index ab419af38d5..d6cbe9b1952 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -6,6 +6,7 @@ pip>=7.0.0
 jinja2>=2.8
 voluptuous==0.8.9
 webcolors==1.5
+eventlet==0.19.0
 
 # homeassistant.components.isy994
 PyISY==1.0.6
diff --git a/setup.py b/setup.py
index c531281c75b..a1d069c821f 100755
--- a/setup.py
+++ b/setup.py
@@ -18,6 +18,7 @@ REQUIRES = [
     'jinja2>=2.8',
     'voluptuous==0.8.9',
     'webcolors==1.5',
+    'eventlet==0.19.0',
 ]
 
 setup(