diff --git a/docker/main/rootfs/usr/local/nginx/conf/nginx.conf b/docker/main/rootfs/usr/local/nginx/conf/nginx.conf
index 73d285704..a5b355b53 100644
--- a/docker/main/rootfs/usr/local/nginx/conf/nginx.conf
+++ b/docker/main/rootfs/usr/local/nginx/conf/nginx.conf
@@ -302,8 +302,8 @@ http {
 
             location ~ ^/.*-([A-Za-z0-9]+)\.webmanifest$ {
                 access_log off;
-                expires off;
-                add_header Cache-Control "public, must-revalidate" always;
+                expires 1y;
+                add_header Cache-Control "public";
                 default_type application/json;
                 proxy_set_header Accept-Encoding "";
                 sub_filter_once off;