I download it from https://github.com/bioperl/Bio-Tools-HMM, After I run the command : perl Build.PL I got message like this: ! Bio::Root::Version (1.006001) is installed, but we need version >= 1.006009 I have install the latest version of bioperl, how can I update Bio::Root to 1.006009 ? 2011-04-06 sydghyyh14