diff --git a/frontend/popout.html b/frontend/popout.html
index cc9b53b..fe30320 100644
--- a/frontend/popout.html
+++ b/frontend/popout.html
@@ -13,7 +13,7 @@
       if (m && m[1]) { localStorage.setItem('obsigate-theme', theme); }
     })();
   </script>
-  <link rel="stylesheet" href="/static/style.css">
+  <link rel="stylesheet" href="/static/style.css?v=2">
   <script src="https://cdn.jsdelivr.net/npm/mermaid@11/dist/mermaid.min.js"></script>
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github-dark.min.css" id="hljs-theme-dark">
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github.min.css" id="hljs-theme-light" disabled>