diff --git a/roles/wsgi_website/defaults/main.yml b/roles/wsgi_website/defaults/main.yml
index b62bfe8dc71a21cef8cbdd379307ca5c8dd87bd2..8d483359aa24f7405e737d057389201bb3d02720 100644
--- a/roles/wsgi_website/defaults/main.yml
+++ b/roles/wsgi_website/defaults/main.yml
@@ -14,7 +14,9 @@ website_mail_recipients: "root"
 environment_indicator: null
 proxy_headers: {}
 python_version: 2
-wsgi_requirements: []
+wsgi_requirements:
+  - futures==3.3.0
+  - gunicorn==19.10.0
 
 # Internal parameters.
 admin: "admin-{{ fqdn | replace('.', '_') }}"