diff --git a/static/Caddyfile b/static/Caddyfile
index 37b33b9..228b3d9 100644
--- a/static/Caddyfile
+++ b/static/Caddyfile
@@ -31,7 +31,7 @@ http://static-mat-services.fly.dev/ {
     # clickjacking protection
     X-Frame-Options DENY
     # keep referrer data off of HTTP connections
-    Referrer-Policy strict-origin-when-cross-origin
+    Referrer-Policy no-referrer
     # content security policy
     # style-src 'unsafe-inline': syntax highlighting in codefences
     # sandbox allow-popups: enable target="_blank" links to open in new tabs