# /opt/perl510/bin/cpan
....
cpan[1]> upgrade
CPAN: Storable loaded ok (v2.20)
CPAN: YAML loaded ok (v0.68)
....
Package namespace         installed    latest  in CPAN file
B                              1.17      1.19  NWCLARK/perl-5.8.9.tar.gz
....
Running install for module 'File::Copy'
The most recent version "2.13" of the module "File::Copy"
is part of the perl-5.8.9 distribution. To install that, you need to run
  force install File::Copy   --or--
  install N/NW/NWCLARK/perl-5.8.9.tar.gz