diff --git a/ubuntu/site.yml b/ubuntu/site.yml
index 621c896..6146f07 100644
--- a/ubuntu/site.yml
+++ b/ubuntu/site.yml
@@ -188,3 +188,4 @@
       ssl:
         - ssl_protocols TLSv1 TLSv1.1 TLSv1.2
         - ssl_prefer_server_ciphers on
+        - ssl_dhparam "/etc/nginx/dhparams.pem"