diff --git a/proxy/nginx.conf b/proxy/nginx.conf
index 018a2bc..fc700de 100644
--- a/proxy/nginx.conf
+++ b/proxy/nginx.conf
@@ -48,6 +48,7 @@ http {
       proxy_set_header Host $host;
       proxy_set_header X-Forwarded-Proto http;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_hide_header ETag;
     }
 
     location = /demo/a {