diff --git a/bench/config/templates/nginx.conf b/bench/config/templates/nginx.conf
index 5cba57828..cd6a67014 100644
--- a/bench/config/templates/nginx.conf
+++ b/bench/config/templates/nginx.conf
@@ -58,6 +58,7 @@ server {
 
 	location /assets {
 		try_files $uri =404;
+		add_header Cache-Control "max-age=31536000";
 	}
 
 	location ~ ^/protected/(.*) {