diff --git a/Dockerfile b/Dockerfile
index 1f3616d..8a02900 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,6 @@
 FROM composer AS composer
 WORKDIR /app
 ADD . /app
-RUN composer global require hirak/prestissimo
 RUN composer install \
     && ./vendor/bin/phpcs --ignore=_build . \
     && ./vendor/bin/phpunit \