diff --git a/adev/src/robots.txt b/adev/src/robots.txt
index 76d0ee41519c3..20a871a8101e1 100644
--- a/adev/src/robots.txt
+++ b/adev/src/robots.txt
@@ -1,3 +1,3 @@
 # Allow all URLs (see https://www.robotstxt.org/robotstxt.html)
 User-agent: *
-Allow: /
+Disallow: