diff --git a/config/nginx.conf b/config/nginx.conf
index e5289fb..fe8385a 100644
--- a/config/nginx.conf
+++ b/config/nginx.conf
@@ -37,6 +37,7 @@ server {
     server_name portal.bytser.com;
     ssl_certificate /etc/letsencrypt/live/portal.bytser.com/fullchain.pem;
     ssl_certificate_key /etc/letsencrypt/live/portal.bytser.com/privkey.pem;
+    client_max_body_size 100M;
 
     location / {
       rewrite ^/?(.*)$ /$1 break;