diff --git a/Production/nginx.tmpl b/Production/nginx.tmpl
index d915b6c..c4c3285 100644
--- a/Production/nginx.tmpl
+++ b/Production/nginx.tmpl
@@ -155,7 +155,9 @@ proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port;
 proxy_buffer_size          128k;
 proxy_buffers              4 256k;
 proxy_busy_buffers_size    256k;
-http2_max_field_size       32k;
+client_header_buffer_size 500k;
+large_client_header_buffers 4 500k;
+http2_max_field_size       500k;
 
 # Mitigate httpoxy attack (see README for details)
 proxy_set_header Proxy "";