diff --git a/ubuntu/erlking.silvestris.systems.yml b/ubuntu/erlking.silvestris.systems.yml
index 3525883..feeb0d1 100644
--- a/ubuntu/erlking.silvestris.systems.yml
+++ b/ubuntu/erlking.silvestris.systems.yml
@@ -243,7 +243,7 @@
             fastcgi_pass php;
           }
       blockbots:
-        - if ($http_user_agent ~* (thesis-research-bot|fidget-spinner-bot|ClaudeBot) ) {
+        - if ($http_user_agent ~* (thesis-research-bot|fidget-spinner-bot|AdsBot-Google|Amazonbot|anthropic-ai|Applebot-Extended|AwarioRssBot|AwarioSmartBot|Bytespider|CCBot|ChatGPT-User|ClaudeBot|Claude-Web|cohere-ai|DataForSeoBot|Diffbot|FacebookBot|FriendlyCrawler|Google-Extended|GoogleOther|GPTBot|img2dataset|ImagesiftBot|magpie-crawler|Meltwater|omgili|omgilibot|peer39_crawler|peer39_crawler/1.0|PerplexityBot|PiplBot|scoop.it|Seekr|YouBot) ) {
             return 403;
           }
     nginx_configs: