diff --git a/manuels/templates/manuels/base.html b/manuels/templates/manuels/base.html
index 47808e8..21943db 100644
--- a/manuels/templates/manuels/base.html
+++ b/manuels/templates/manuels/base.html
@@ -4,8 +4,8 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <title>Manuels - {% block title %}{% endblock %}</title>
-    <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://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css"
+          integrity="sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4" crossorigin="anonymous">
 
     <script defer src="https://use.fontawesome.com/releases/v5.0.13/js/all.js"
             integrity="sha384-xymdQtn1n3lH2wcu0qhcdaOpQwyoarkgLVxC/wZ5q7h9gHtxICrpcaSUfygqZGOe"