diff --git a/ui/nginx.conf b/ui/nginx.conf
index c330bc08..544c2342 100644
--- a/ui/nginx.conf
+++ b/ui/nginx.conf
@@ -12,6 +12,7 @@ server {
     # API proxy — target set via CAMELEER_API_URL env var (default: http://cameleer3-server:8081)
     location /api/ {
         proxy_pass         ${CAMELEER_API_URL};
+        client_max_body_size 200m;
         proxy_set_header   Host $host;
         proxy_set_header   X-Real-IP $remote_addr;
         proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;