diff --git a/index.html b/index.html
index 31bd7a0..ec1eecd 100644
--- a/index.html
+++ b/index.html
@@ -11,6 +11,7 @@
     <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/eruda"></script>
     <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-2593894696548093" crossorigin="anonymous"></script>
+    <script src="js/darkmode.js"></script>
     <script src="js/ga4.js"></script>
     <script src="js/main.js"></script>
     <script src="js/popup.js"></script>