diff --git a/conf/nginx.conf b/conf/nginx.conf
index a9fb919..fd5711b 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -47,6 +47,11 @@ location ^~ __PATH__/ {
   # with the `ngx_pagespeed` module, uncomment this line to disable it.
   #pagespeed off;
 
+  # The settings allows you to optimize the HTTP2 bandwitdth.
+  # See https://blog.cloudflare.com/delivering-http-2-upload-speed-improvements/
+  # for tunning hints
+  client_body_buffer_size 512k;
+
   # Remove X-Powered-By, which is an information leak
   fastcgi_hide_header X-Powered-By;