diff --git a/index.html b/index.html
index 5f6cd9e..7a8623b 100644
--- a/index.html
+++ b/index.html
@@ -30,15 +30,16 @@ permalink: /
     <!-- Stylesheets -->
     {%- comment -%} Bootstrap should be the first stylesheet {%- endcomment %}
     <link rel="stylesheet" type="text/css" crossorigin="anonymous"
-          href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css"
-          integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk">
+          href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"
+          integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l">
     <link rel="stylesheet" type="text/css" href="{{ site.baseurl }}/css/theme.css">
     <link rel="stylesheet" type="text/css" crossorigin="anonymous"
-          href="https://use.fontawesome.com/releases/v5.14.0/css/all.css"
-          integrity="sha384-HzLeBuhoNPvSl5KYnjx0BT+WB0QEEqLprO+NBkkk5gbc67FTaL7XIGa2w1L0Xbgc">
+          href="https://use.fontawesome.com/releases/v5.15.3/css/all.css"
+          integrity="sha384-SZXxX4whJ79/gErwcOYf+zWLeJdY/qpuqC4cAa9rOGUstPomtqpuNWT9wdPEn2fk">
+    <link rel="preconnect" href="https://fonts.gstatic.com">
     <link rel="stylesheet" type="text/css"
-          href="https://fonts.googleapis.com/css?family=Open+Sans:400,700&subset=latin">
-    
+          href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap"> 
+
     {% if site.ga and site.ga.cookieconsent -%}
     <!-- Cookie Consent popup to comply with EU cookie law -->
     <link rel="stylesheet" type="text/css" crossorigin="anonymous"