diff --git a/feiertage.php b/feiertage.php
index cfd64c0..7eb082b 100644
--- a/feiertage.php
+++ b/feiertage.php
@@ -241,7 +241,7 @@ else {
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
+    <link rel="stylesheet" type="text/css" href="bootstrap.min.css">
     <title>Feiertage</title>
   </head>
   <body>
