diff --git a/roles/wsgi_website/defaults/main.yml b/roles/wsgi_website/defaults/main.yml
index f7f74d3d4ad31b111f24333494721866a07b3af4..892275b9e5cb3d40ebed15954a0b8188604ebe25 100644
--- a/roles/wsgi_website/defaults/main.yml
+++ b/roles/wsgi_website/defaults/main.yml
@@ -10,3 +10,5 @@ virtualenv_packages: []
 admin: "web-{{ fqdn | replace('.', '_') }}"
 https_tls_certificate: "{{ lookup('file', tls_certificate_dir + '/' + fqdn + '_https.pem') }}"
 https_tls_key: "{{ lookup('file', tls_private_key_dir + '/' + fqdn + '_https.key') }}"
+gunicorn_version: "19.6.0"
+futures_version: "3.0.5"
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