diff --git a/tsstats/templates/index.jinja2 b/tsstats/templates/index.jinja2
index 2931b54..24e21bd 100644
--- a/tsstats/templates/index.jinja2
+++ b/tsstats/templates/index.jinja2
@@ -3,8 +3,8 @@
 <head>
   <title>{{ title }}</title>
   <meta charset="utf-8">
-  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
-  <link rel="stylesheet" href="https://cdn.jsdelivr.net/hint.css/2.4.1/hint.min.css" integrity="sha256-7KczUWqIa/6KaIKtNfG18eilVQR4vJ4S9SSiDAplUwc=" crossorigin="anonymous">
+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.1.3/dist/css/bootstrap.min.css" integrity="sha256-eSi1q2PG6J7g7ib17yAaWMcrr5GrtohYChqibrV7PBE=" crossorigin="anonymous">
+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/hint.css@2.5.1/hint.base.min.css" integrity="sha256-4jZ5pY2g6hxKp7vYRKAxu+AI9Ph/cUMiOCGp1yOTDrg=" crossorigin="anonymous">
   <meta name="referrer" content="no-referrer">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <style type="text/css">
