diff --git a/roles/httpd/website/files/robots/robots.txt.admin.fedoraproject.org b/roles/httpd/website/files/robots/robots.txt.admin.fedoraproject.org
index aeb1c2cc4c..632d1e5d51 100644
--- a/roles/httpd/website/files/robots/robots.txt.admin.fedoraproject.org
+++ b/roles/httpd/website/files/robots/robots.txt.admin.fedoraproject.org
@@ -6,3 +6,7 @@ Disallow: /pkgdb/packages/name
 # Temp block http://www.80legs.com/webcrawler.html
 User-agent: 008
 Disallow: /	
+
+# Block riddler.io
+User-agent: Riddler
+Disallow: /