Any trial license can be extended up to 5 times.
Steps to extend the license:
- Go to your Jira UPM screen - https://your.jira/plugins/servlet/upm
- Find the Agile Tools & Filters app and edit the existing license key
- Manually clear the license field and select the Update button
- Use the Free Trial button to get a new trial license
- The new license will be generated and trial will be extended by 30 extra days.