diff --git a/Dockerfile b/Dockerfile
index a9f227f..c76d2a6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,8 @@ RUN composer install
 
 FROM docker.io/php:apache
 
+EXPOSE 9367/tcp
+
 # copy apache configs
 RUN rm /etc/apache2/sites-enabled/* \
  && a2enmod rewrite