diff --git a/static/robots.txt b/static/robots.txt
index b6dd667..252b459 100644
--- a/static/robots.txt
+++ b/static/robots.txt
@@ -1,3 +1,3 @@
 # allow crawling everything by default
 User-agent: *
-Disallow:
+Disallow: /cdn-cgi/
\ No newline at end of file