diff --git a/Dockerfile b/Dockerfile
index b8d8fc1b..4c2ea511 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -47,7 +47,7 @@ RUN a2enmod rewrite
 # Install composer and yarn dependencies for Part-DB
 USER www-data
 RUN composer install -a --no-dev && composer clear-cache
-RUN yarn install && yarn build && yarn cache clean
+RUN yarn install && yarn build && yarn cache clean && rm -rf node_modules/
 
 # Use demo env to output logs to stdout
 ENV APP_ENV=demo