diff --git a/_includes/header.html b/_includes/header.html
index 3c84f5a..3eb6026 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -3,7 +3,7 @@
   <a href="{{ my_page.url }}">{{ my_page.title }}</a>
   {% endif %} {% endfor %}
   <a href="/feed.xml">RSS</a>
-  <a href="/cv.pdf">CV</a>
+  <a href="/cv.pdf?v={{ site.time | date: '%s' }}">CV</a>
   <a href="https://git.maggioni.xyz">Git</a>
   <a href="https://cloud.maggioni.xyz">Cloud</a>
 </div>