Version in base suite: 5.2.0-3
Base version: libprelude_5.2.0-3
Target version: libprelude_5.2.0-3+deb11u1
Base files: libprelude_5.2.0-3.dsc
Target files: libprelude_5.2.0-3+deb11u1.dsc

+W: orig-tarball-missing-upstream-signature libprelude_5.2.0.orig.tar.gz