Typically the licenses listed for the project are that of the project itself, and not of dependencies.

Project Licenses

Public Domain

Copyright © 2016 <code@io7m.com> http://io7m.com

This work is placed into the public domain for free use by anyone
for any purpose. It may be freely used, modified, and distributed.

In jurisdictions that do not recognise the public domain this work
may be freely used, modified, and distributed without restriction.

This work comes with absolutely no warranty.