diff --git a/Dockerfile b/Dockerfile
index 3f30acb..e90a845 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ COPY . /var/www/html/app/
 WORKDIR /var/www/html/app
 
 # Install stuff
-RUN php ../composer.phar update dev
+RUN php ../composer.phar install
 RUN yarn install && \
     yarn build