diff --git a/index.html b/index.html
index 672b550..b3ee9f1 100644
--- a/index.html
+++ b/index.html
@@ -3,6 +3,9 @@
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <meta http-equiv="Expires" content="0">
+  <meta http-equiv="Pragma" content="no-cache">
+  <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
   <link rel="stylesheet" href="style.css">
   <link rel="icon" type="image/x-icon" href="favicon.ico">
   <script type="module" src="script.js" defer></script>
