diff --git a/_source/robots.txt b/_source/robots.txt
index d0e5f1b..9ddc45a 100644
--- a/_source/robots.txt
+++ b/_source/robots.txt
@@ -3,3 +3,7 @@
 # Allow crawling of all content
 User-agent: *
 Disallow:
+
+# No GPT
+User-agent: GPTBot
+Disallow: /