Dear Maintainer, It seems that the -u option doesn't actually override the GPG check. root@debian:/var/cache/pbuilder/sid-amd64/result# dput mentors nanomsg_0.4-beta-1~2.gbp288ba0_amd64.changes Uploading nanomsg using ftp to mentors (host: mentors.debian.net; directory: .) running suite-mismatch: check the target distribution for common errors running checksum: verify checksums before uploading running protected-distribution: warn before uploading to distributions where a special policy applies running gpg: check GnuPG signatures before the upload gpg: no valid OpenPGP data found. gpg: the signature could not be verified. Please remember that the signature file (.sig or .asc) should be the first file given on the command line. No valid signature on nanomsg_0.4-beta-1~2.gbp288ba0_amd64.changes: No signature on root@debian:/var/cache/pbuilder/sid-amd64/result# dput -u mentors nanomsg_0.4-beta-1~2.gbp288ba0_amd64.changes Uploading nanomsg using ftp to mentors (host: mentors.debian.net; directory: .) running suite-mismatch: check the target distribution for common errors running checksum: verify checksums before uploading running protected-distribution: warn before uploading to distributions where a special policy applies running gpg: check GnuPG signatures before the upload gpg: no valid OpenPGP data found. gpg: the signature could not be verified. Please remember that the signature file (.sig or .asc) should be the first file given on the command line. No valid signature on nanomsg_0.4-beta-1~2.gbp288ba0_amd64.changes: No signature on