diff --git a/index.html b/index.html
index 3e3e69762b7774ccffac1d5ab0cd8286f182f728..68950ede6dca19dc5c44d2bb08690235411438f2 100644
--- a/index.html
+++ b/index.html
@@ -2,9 +2,11 @@
 <html xmlns="http://www.w3.org/1999/xhtml" lang xml:lang>
 <head>
   <meta charset="utf-8" />
-  <meta name="generator" content="pandoc" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
   <meta name="author" content="Andreas Herten a.herten@fz-juelich.de" />
+  <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
+  <meta http-equiv="Pragma" content="no-cache" />
+  <meta http-equiv="Expires" content="0" />
   <title>JSC Pandas Course</title>
   <link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🐼</text></svg>">
   <style type="text/css">