diff --git a/runbot/templates/nginx.xml b/runbot/templates/nginx.xml
index 1e32e38b..0b5151f3 100644
--- a/runbot/templates/nginx.xml
+++ b/runbot/templates/nginx.xml
@@ -10,7 +10,7 @@ http {
 include /etc/nginx/mime.types;
 server_names_hash_max_size 512;
 server_names_hash_bucket_size 256;
-client_max_body_size 10M;
+client_max_body_size 64M;
 index index.html;
 log_format full '$remote_addr - $remote_user [$time_local] '
                 '"$request" $status $body_bytes_sent '