diff --git a/static/Caddyfile b/static/Caddyfile
index d7398aa..b355ad4 100644
--- a/static/Caddyfile
+++ b/static/Caddyfile
@@ -35,7 +35,8 @@ http://static-mat-services.fly.dev/ {
     # content security policy
     Content-Security-Policy "default-src 'none';
       img-src 'self';
-      style-src https://cdn.jsdelivr.net/;
+      style-src 'self' https://cdn.jsdelivr.net/;
+      font-src 'self' https://cdn.jsdelivr.net/;
       frame-ancestors 'none';
       base-uri 'none';
       upgrade-insecure-requests;