diff --git a/site/src/layouts/BaseLayout.astro b/site/src/layouts/BaseLayout.astro
index 77bed78..4ca1b50 100644
--- a/site/src/layouts/BaseLayout.astro
+++ b/site/src/layouts/BaseLayout.astro
@@ -44,6 +44,7 @@ const canonical = canonicalUrl ?? `${SITE_ORIGIN}${base}${Astro.url.pathname.rep
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   <meta name="theme-color" content="#E6522C" />
   <meta name="author" content={AUTHOR_NAME} />
+  <meta name="msvalidate.01" content="4576E3F85783A82149A0DB35A150F7EB" />
   {noIndex && <meta name="robots" content="noindex" />}
 
   <SEO