diff --git a/html/_layouts/default.php b/html/_layouts/default.php
index d2dc272690b693f3e751d62419d2e4e1a496a315..0ac0657e1551b8ecdce41438506cae3bea85c274 100644
--- a/html/_layouts/default.php
+++ b/html/_layouts/default.php
@@ -60,6 +60,9 @@ if( !empty($csv) ){
 <html>
 
 <head>
+  <meta http-equiv="cache-control" content="no-cache" />
+  <meta http-equiv="pragma" content="no-cache" />
+  <meta http-equiv="expires" content="0" />
   <link rel="stylesheet" href="assets/css/all.min.css">
   <link rel="stylesheet" href="assets/css/custom.css?8">
   <script src="assets/js/jquery.min.js"></script>