diff --git a/data/templates/nginx/server.tpl.conf b/data/templates/nginx/server.tpl.conf
index 90a258433..dee667939 100644
--- a/data/templates/nginx/server.tpl.conf
+++ b/data/templates/nginx/server.tpl.conf
@@ -42,7 +42,7 @@ server {
     # > openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048
     #ssl_dhparam /etc/ssl/private/dh2048.pem;
 
-    add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload";
+    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload"; 
     add_header 'Referrer-Policy' 'no-referrer';
     add_header X-Content-Type-Options nosniff;
     add_header X-XSS-Protection "1; mode=block";