We don't remove old versions of postgres ourselves due to the risk of data loss when upgrading to new versions so it should be an informed user- driven process.
If you are absolutely sure you no longer need that version of postgres, you can remove it and try the upgrade again. ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2080253 Title: The package 'postgresql-9.6' is marked for removal but it is in the removal deny list. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2080253/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs