Version in base suite: 1.3.8+dfsg-4+deb12u4
Base version: proftpd-dfsg_1.3.8+dfsg-4+deb12u4
Target version: proftpd-dfsg_1.3.8+dfsg-4+deb12u5
Base files: proftpd-dfsg_1.3.8+dfsg-4+deb12u4.dsc
Target files: proftpd-dfsg_1.3.8+dfsg-4+deb12u5.dsc

-W: newer-standards-version 4.6.0 (current is 4.5.1)