diff --git a/docker/etc/nginx/nginx.conf b/docker/etc/nginx/nginx.conf
index 48d2d8583..96655951e 100644
--- a/docker/etc/nginx/nginx.conf
+++ b/docker/etc/nginx/nginx.conf
@@ -22,14 +22,22 @@ http {
     fastcgi_buffer_size 32k;
     
     server {
-        listen       80;
-        listen       443 ssl http2;
-        ssl_certificate /etc/nginx/ssl/kanboard.crt;
-        ssl_certificate_key /etc/nginx/ssl/kanboard.key;
-        server_name  localhost;
-        index        index.php;
-        root         /var/www/app;
-        client_max_body_size 32M;
+        listen                    80;
+        listen                    443 ssl http2;
+        server_name               localhost;
+        index                     index.php;
+        root                      /var/www/app;
+        client_max_body_size      32M;
+
+        # https://ssl-config.mozilla.org/#server=nginx&version=1.18.0&config=intermediate&openssl=1.1.1i&hsts=false&ocsp=false&guideline=5.6
+        ssl_certificate           /etc/nginx/ssl/kanboard.crt;
+        ssl_certificate_key       /etc/nginx/ssl/kanboard.key;
+        ssl_protocols             TLSv1.2 TLSv1.3;
+        ssl_ciphers               ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
+        ssl_prefer_server_ciphers off;
+        ssl_session_timeout       1d;
+        ssl_session_cache         shared:MozSSL:10m;
+        ssl_session_tickets       off;
 
         location / {
             try_files $uri $uri/ /index.php$is_args$args;