Package: libatspi2.0-0 Version: 2.9.3-1 Severity: critical <-- snip --> $ cat /var/lib/dpkg/info/libatspi2.0-0:amd64.shlibs libatspi 0 libatspi2.0-0 (>= 1.91.92) $ <-- snip --> That's wrong, see http://bugs.debian.org/714314 for an example of how this causes breakage.