diff --git a/_templates/header.php b/_templates/header.php
index 894f01bb4c..15042c0fbe 100644
--- a/_templates/header.php
+++ b/_templates/header.php
@@ -85,7 +85,7 @@
         <link rel="alternate" type="text/html" hreflang="en" href="<?php echo $sitewide['root'].(($page['name'] == 'index') ? '' : $page['name']); ?>">
         <?php } ?>
 
-        <link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.9.0/css/all.css" integrity="sha384-vlOMx0hKjUCl4WzuhIhSNZSm2yQCaf0mOU1hEDK/iztH3gU4v5NMmJln9273A6Jz" crossorigin="anonymous">
+        <link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.15.4/css/all.css" integrity="sha384-rqn26AG5Pj86AF4SO72RK5fyefcQ/x32DNQfChxWvbXIyXFePlEktwD18fEz+kQU" crossorigin="anonymous">
         <link rel="stylesheet" type="text/css" media="all" href="<?php echo $stylesManifest["styles/main.css"]?>">
 
         <?php foreach ($page['styles'] as $style) { ?>