diff --git a/apps/openresty/versions/1.21.4.1/conf/nginx.conf b/apps/openresty/versions/1.21.4.1/conf/nginx.conf
index 65943e6f..0a130ac9 100644
--- a/apps/openresty/versions/1.21.4.1/conf/nginx.conf
+++ b/apps/openresty/versions/1.21.4.1/conf/nginx.conf
@@ -14,7 +14,7 @@ http {
     log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                       '$status $body_bytes_sent "$http_referer" '
                       '"$http_user_agent" "$http_x_forwarded_for"';
-
+    server_tokens off;
     access_log  /var/log/nginx/access.log  main;
     access_log /dev/stdout main;
     sendfile        on;