diff --git a/deployment/scripts/nginx/nginx.conf b/deployment/scripts/nginx/nginx.conf
index 2d5b670..06dd3a1 100644
--- a/deployment/scripts/nginx/nginx.conf
+++ b/deployment/scripts/nginx/nginx.conf
@@ -38,7 +38,7 @@ http {
         error_page 502 /static/html/502.html;
         error_page 503 /static/html/503.html;
 
-        if ($http_user_agent ~* "Amazonbot|meta-externalagent|ClaudeBot|ahrefsbot|semrushbot") {
+        if ($http_user_agent ~* "Amazonbot|meta-externalagent|ClaudeBot|ahrefsbot|semrushbot|PerplexityBot|GPTBot") {
             return 444;
         }
         access_log  /var/log/nginx/access.log main;