Updating / Upgrading Bookstack installation

sdnog Bookstack was installed by the Ubuntu script. on 25 Oct 2026, it has been updated to v26.09.2 (last one).

To update the bookstack use the following steps:   

1. Very important, as always backup your Bookstack instance
    https://www.bookstackapp.com/docs/admin/backup-restore/
    
2. by default Bookstack is installed under /var/www/bookstack, (if that wasn't changed, then go there)
    
3. try to pull the latest changes:

git pull origin release

4. if that fails because there are updated files in the directory, run: 

git config core.fileMode false

5. then: 

composer install --no-dev

6. last one: 

php artisan migrate

7. Also don't forget to clear cache:

php artisan cache:clear
php artisan config:clear
php artisan view:clear

source:
- https://www.bookstackapp.com/docs/admin/updates/
- https://www.bookstackapp.com/blog/bookstack-release-v26-09-2/