diff --git a/Dockerfile b/Dockerfile
index a8df6d3..5b57369 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,4 +4,4 @@ RUN apk add postgresql-dev openldap-dev \
 
 WORKDIR /app
 COPY src/composer.json src/composer.lock /app/
-RUN composer install
+RUN composer install --no-autoloader