diff --git a/contrib/Dockerfile b/contrib/Dockerfile
index 71bd0aa5..dd3bd308 100644
--- a/contrib/Dockerfile
+++ b/contrib/Dockerfile
@@ -3,7 +3,7 @@ ARG NGINX_IMAGE=engelsystem-nginx:latest
 
 # composer install
 FROM composer AS composer
-COPY composer.json /app/
+COPY ./ /app/
 RUN composer --no-ansi install --no-dev --ignore-platform-reqs
 RUN composer --no-ansi dump-autoload --optimize