diff --git a/nginx/conf.d/default.conf b/nginx/conf.d/default.conf
index d24a624..c83d395 100644
--- a/nginx/conf.d/default.conf
+++ b/nginx/conf.d/default.conf
@@ -85,10 +85,7 @@ server {
     }
 
     # disable Google bots from indexing this site
-    location = /robots.txt {
-        add_header Content-Type text/plain;
-        return 200 "User-agent: *\nDisallow: /\n";
-    }
+    add_header X-Robots-Tag "noindex";
 
     location ~ /api/v[0-9]+/(users/)?websocket$ {
         proxy_set_header Upgrade $http_upgrade;