https://manpages.debian.org/debhelper-compat-upgrade-checklist#v14 says that you should use Build-Depends: dh-sequence-single-binary instead of the way that you are using.
Alternatively, I prefer using the other way where I explicitly add a foo.install (for many packages, the contents is simply "usr") and set dh $@ --without single-binary Then when the package is switched to dh compat 15 later, I will only need to remove the " --without single-binary" Thank you, Jeremy Bícha
