diff --git a/Dockerfile b/Dockerfile
index 8a9d7f5..e5ac935 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,5 +8,6 @@ RUN a2enmod rewrite
 RUN curl -sS https://getcomposer.org/installer | php -- --quiet
 COPY resources/php.ini /usr/local/etc/php/
 COPY . /var/www/html/
+RUN php composer.phar check-platform-reqs --no-dev
 RUN php composer.phar install --prefer-dist --no-progress --no-dev --optimize-autoloader
 ENV CONVERT=1