unattended-upgrades won't upgrade freedombox to 0.49.0

Checking: freedombox ([<Origin component:'main' archive:'unstable' origin:'Debian' label:'Debian' site:'deb.debian.org' isTrusted:True>])
pkg ntp now marked delete
sanity check failed

It needs sudo apt dist-upgrade to be upgraded. I guess unattended-upgrades will not do this.