Control: tags -1 moreinfo Hi Alec, There was a NMU of libcxx-serial [1] . This NMU is not included in your updated package --> You need to include the changed of this MMU in the package and possibly into your git repo... [1] See https://deb.debian.org/debian/pool/main/libc/libcxx-serial/libcxx-serial_1.2.1-4.1.dsc -- tobi