diff --git a/public_html/doc/map.php b/public_html/doc/map.php
index a92a447..d3d0de1 100644
--- a/public_html/doc/map.php
+++ b/public_html/doc/map.php
@@ -107,9 +107,9 @@
 ?>
 
 
-  <link href="/assets/css/mapMAPCSS.css" rel="stylesheet" type="text/css" >
+  <link href="/assets/css/mapMAPCSS.css?v=<?=filemtime($_SERVER['DOCUMENT_ROOT'].'/assets/css/mapMAPCSS.css')?>" rel="stylesheet" type="text/css" >
   <!-- New2 -->
-  <link href="/assets/css/leftside-modal.css" rel="stylesheet">
+  <link href="/assets/css/leftside-modal.css?v=<?=filemtime($_SERVER['DOCUMENT_ROOT'].'/assets/css/leftside-modal.css')?>" rel="stylesheet">
   <!-- New2 -->
 
   <!--script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script-->