diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index 1b52eb2..70891d3 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -5,7 +5,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>{% if page.title %}{{ page.title }} | {% endif %}{{ site.title }}</title>
   <meta name="description" content="{{ page.description | default: site.description }}">
-  <link rel="stylesheet" href="{{ '/assets/css/style.css' | relative_url }}">
+  <link rel="stylesheet" href="{{ '/assets/css/style.css' | relative_url }}?v={{ site.time | date: '%s' }}">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap" rel="stylesheet">