Update index.html

diff --git a/index.html b/index.html
index d1d54c5..9f0c644 100644
--- a/index.html
+++ b/index.html

@@ -6,7 +6,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
 
-  <link rel="stylesheet" href="stylesheets/stylesheet.css" media="screen">
+  <link rel="stylesheet" href="stylesheets/stylesheet.css?1" media="screen">
   <link rel="stylesheet" href="stylesheets/github-dark.css">
   <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>