diff --git a/overrides/main.html b/overrides/main.html
index 2356607..192cd88 100644
--- a/overrides/main.html
+++ b/overrides/main.html
@@ -8,6 +8,8 @@
 {% endblock %}
 
 {% block outdated %}
+  <meta name="robots" content="noindex" />
+
   You're not viewing the latest version.
   <a href="{{ '../' ~ base_url }}">
     <strong>Click here to go to latest.</strong>