Prerequisites
A: User must be logged in.

1. Select a Package.

2. On package details page with "Dependencies" tab on, click on "New Version" action button with icon.

3. On the next page, type in a new version.
NOTE: If you would like to use an existing version from the history, click on icon.

4. Click on SUBMIT button to finish.

New package version will be created with dependencies auto-updated to the latest in your release.
See how

See also
Make Package Official, Export Dependency List