diff --git a/nginx.conf b/nginx.conf
index 60a7b37869..f64a434a67 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -32,7 +32,7 @@ server {
 
    location /assets {
       try_files $uri $uri/ =404;
-      add_header Cache-Control "public, max-age=3600";
+      add_header Cache-Control "public, max-age=604800"; # cache 1 week
     }
 
     location /index.html {