diff --git a/scripts/http_host/nginx_sync/nginx_sync.py b/scripts/http_host/nginx_sync/nginx_sync.py
index 6be064a..5c67c5f 100755
--- a/scripts/http_host/nginx_sync/nginx_sync.py
+++ b/scripts/http_host/nginx_sync/nginx_sync.py
@@ -77,7 +77,7 @@ def cli():
                 add_header Content-Encoding gzip;
                 add_header 'Access-Control-Allow-Origin' '*' always;
                 add_header Cache-Control public;
-                expires 10y;
+                expires 1d;  # target 10y
             }}
             """