diff --git a/_layouts/default.html b/_layouts/default.html
index f88a195..4e224cf 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -8,6 +8,7 @@
 {% seo %}
     <link rel="stylesheet" href="{{ "/assets/css/style.css?v=" | append: site.github.build_revision | relative_url }}">
     {% include head-custom.html %}
+    <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6945602608405209" crossorigin="anonymous"></script>
   </head>
   <body>
     <div class="container-lg px-3 my-5 markdown-body">
