diff --git a/public_html/include/header.php b/public_html/include/header.php
index de8c3cd..5a5fe04 100644
--- a/public_html/include/header.php
+++ b/public_html/include/header.php
@@ -35,12 +35,12 @@ if ($_SESSION['ss_LOGIN'] != 1) {
   <link href="/assets/vendor/swiper/swiper-bundle.min.css" rel="stylesheet">
 
   <!-- Template Main CSS File -->
-  <link href="/assets/css/main.css" rel="stylesheet">
-  <link href="/assets/css/table-style.css" rel="stylesheet">
+  <link href="/assets/css/main.css?v=<?=filemtime($_SERVER['DOCUMENT_ROOT'].'/assets/css/main.css')?>" rel="stylesheet">
+  <link href="/assets/css/table-style.css?v=<?=filemtime($_SERVER['DOCUMENT_ROOT'].'/assets/css/table-style.css')?>" rel="stylesheet">
 
 <? if ($view == "forecast_list") { ?>
   <!-- Filter -->
-  <link href="/assets/css/leftside-modal.css" rel="stylesheet">
+  <link href="/assets/css/leftside-modal.css?v=<?=filemtime($_SERVER['DOCUMENT_ROOT'].'/assets/css/leftside-modal.css')?>" rel="stylesheet">
 <? } ?>
   
 <link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
@@ -65,7 +65,7 @@ if ($_SESSION['ss_LOGIN'] != 1) {
   <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.19.0/jquery.validate.js"></script>
 
   <!-- Template Main JS File -->
-  <script src="/assets/js/main.js"></script>
+  <script src="/assets/js/main.js?v=<?=filemtime($_SERVER['DOCUMENT_ROOT'].'/assets/js/main.js')?>"></script>
 
 </head>
 
@@ -96,5 +96,4 @@ window.setInterval( function() {
 //  $.post('/lib/refreshSession.php');
 //},refreshTime); //refreshes the session every 10 minutes
 
-</script>
-
+</script>
\ No newline at end of file