diff --git a/nginx/ssl_params b/nginx/ssl_params
index bd0304a..6dac8aa 100644
--- a/nginx/ssl_params
+++ b/nginx/ssl_params
@@ -1,6 +1,6 @@
-ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+ssl_protocols TLSv1.2;
 ssl_ecdh_curve secp384r1;
-ssl_ciphers ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-CHACHA20-POLY1305-D:ECDHE-RSA-CHACHA20-POLY1305-D:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA;
+ssl_ciphers ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-CHACHA20-POLY1305-D:ECDHE-RSA-CHACHA20-POLY1305-D:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256;
 ssl_prefer_server_ciphers on;
 
 ssl_session_cache shared:SSL:20m;