diff --git a/roles/mailman/templates/nginx.d.conf.j2 b/roles/mailman/templates/nginx.d.conf.j2
index accb7e83bc3d64123526798f4e0629458f98dcc2..3266d9dd83fc7b964b946a370b2550a2dd1822fa 100644
--- a/roles/mailman/templates/nginx.d.conf.j2
+++ b/roles/mailman/templates/nginx.d.conf.j2
@@ -39,6 +39,7 @@ server {
 
     location /pipermail {
         alias /var/lib/mailman/archives/public;
+        add_header Cache-Control "public, no-cache";
         autoindex on;
     }