diff --git a/public/robots.txt b/public/robots.txt
index 922833f..4fda6c5 100644
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -1,2 +1,5 @@
 User-agent: *
 Sitemap: https://brian-lau.ca/sitemap.xml
+
+User-agent: GPTBot
+Disallow: /