OK as root, type:
perl -MCPAN -e shell
follow the prompts as needed (if any) and make sure to answer yes to dependencies
When it completes, type install module HTTP::Request
When complete, type "quit" or "exit" to leave shell.
should download updates if available.
Note: Install will go a lot smoother if you decompress the tarball in the /usr/local directory and use the installer in the fprot directory.
The docs included with the tarball will have more detail.