diff --git a/upgrade-debian.sh b/upgrade-debian.sh
new file mode 100644
index 0000000..af3d3a6
--- /dev/null
+++ b/upgrade-debian.sh
@@ -0,0 +1,16 @@
+# Debian 9.x Stretch
+#!/bin/bash
+/usr/sbin/service nginx stop
+su - www-data -s /bin/bash -c 'php /var/www/nextcloud/updater/updater.phar'
+su - www-data -s /bin/bash -c 'php /var/www/nextcloud/occ status'
+su - www-data -s /bin/bash -c 'php /var/www/nextcloud/occ -V'
+su - www-data -s /bin/bash -c 'php /var/www/nextcloud/occ db:add-missing-indices'
+su - www-data -s /bin/bash -c 'php /var/www/nextcloud/occ db:convert-filecache-bigint'
+sed -i "s/upload_max_filesize=.*/upload_max_filesize=10240M/" /var/www/nextcloud/.user.ini
+sed -i "s/post_max_size=.*/post_max_size=10240M/" /var/www/nextcloud/.user.ini
+sed -i "s/output_buffering=.*/output_buffering='Off'/" /var/www/nextcloud/.user.ini
+chown -R www-data:www-data /var/www/nextcloud
+su - www-data -s /bin/bash -c 'php /var/www/nextcloud/occ update:check'
+/usr/sbin/service php7.2-fpm restart
+/usr/sbin/service nginx restart
+exit 0