To update SourceTree, follow the steps based on your operating system:
- Open your Sourcetree account.
- Click on the 'Refresh' button found in the lower left corner of your Sourcetree account.
- You may also open your repository and click on 'Settings'.
- Click 'Advanced'.
- Check the 'Refresh remote status in the background' button.
- Click 'OK' to update your Sourcetree.