diff --git a/testsite/group_vars/mail.yml b/testsite/group_vars/mail.yml
index d6a776d77b0f86b89e228c82b5e5328cc08cf5c5..ae4c21696e93bb218995139b8de938d267d9b500 100644
--- a/testsite/group_vars/mail.yml
+++ b/testsite/group_vars/mail.yml
@@ -32,7 +32,7 @@ smtp_allow_relay_from:
 
 imap_max_user_connections_per_ip: 50
 
-mail_server_minimum_tls_protocol: TLSv1.1
+mail_server_minimum_tls_protocol: TLSv1.2
 
 mail_server_tls_ciphers: "DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-GCM-SHA384:\
 DHE-RSA-AES256-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-GCM-SHA384:\