diff --git a/Dockerfile b/Dockerfile
index 86fde4fa1d5a..5147944001c0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,7 @@ FROM composer:1.8 AS composer
 RUN composer global require hirak/prestissimo
 
 COPY composer.json composer.json
+COPY stubs stubs
 RUN  composer install --no-dev --optimize-autoloader --prefer-dist