diff --git a/src/assets.cdn.part b/src/assets.cdn.part
index b0f780b..d010ebe 100644
--- a/src/assets.cdn.part
+++ b/src/assets.cdn.part
@@ -1,6 +1,6 @@
     public function getCSS() {
         print '
-            <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
+            <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.3/css/bootstrap.min.css" integrity="sha512-oc9+XSs1H243/FRN9Rw62Fn8EtxjEYWHXRvjS43YtueEewbS6ObfXcJNyohjHqVKFPoXXUxwc+q1K7Dee6vv9g==" crossorigin="anonymous"/>
             <link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/v/bs4/dt-1.10.22/r-2.2.6/datatables.min.css"/>
             <style type="text/css">';?> @@@file:src/includes/bootstrap-treeview.min.css@@@ <?php print '</style>
             <style type="text/css">';?> @@@file:src/includes/fontello-embedded.css@@@ <?php print '</style>
@@ -13,7 +13,7 @@
         print '
             <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js" integrity="sha512-bLT0Qm9VnAYZDflyKcBaQ2gg0hSYNQrJ8RilYldYQ1FxQYoCLtUjuuRuZo+fjqhx/qtq/1itJ0C2ejDxltZVFg==" crossorigin="anonymous"></script>
             <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js" integrity="sha512-uto9mlQzrs59VwILcLiRYeLKPPbS/bT71da/OEBYEwcdNUk8jYIy+D176RYoop1Da+f9mvkYrmj5MCLZWEtQuA==" crossorigin="anonymous"></script>
-            <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ho+j7jyWK8fNQe+A12Hb8AhRq26LrZ/JpcUGGOn+Y7RsweNrtN/tE3MoK7ZeZDyx" crossorigin="anonymous"></script>
+            <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.3/js/bootstrap.bundle.min.js" integrity="sha512-iceXjjbmB2rwoX93Ka6HAHP+B76IY1z0o3h+N1PeDtRSsyeetU3/0QKJqGyPJcX63zysNehggFwMC/bi7dvMig==" crossorigin="anonymous"></script>
             <script type="text/javascript" src="https://cdn.datatables.net/v/bs4/dt-1.10.22/r-2.2.6/datatables.min.js"></script>
             <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ace.min.js" integrity="sha512-GoORoNnxst42zE3rYPj4bNBm0Q6ZRXKNH2D9nEmNvVF/z24ywVnijAWVi/09iBiVDQVf3UlZHpzhAJIdd9BXqw==" crossorigin="anonymous"></script>
             <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mustache.js/2.3.2/mustache.min.js"></script>