The DBI module includes DBD::File. However, DBD::File is a separate
CPAN module. Further, DBI just released a new version with DBD::File
v0.33 even though the standalone DBD::File module is at v0.34.
Finally, DBI installs DBD::File in a different location from DBD::File
such that even if you install the newer version of DBD::File it is
'masked' by the older version installed by DBI.
I would urge that DBD::File be removed from the DBI module, and if
needed just be a prequisite to it.