It's easy to forget to update packages after they've been installed as they silently live in the background working as intended. Here are two ways to check what needs updating:
pip list --outdated
Out of the box, pip provides a quick way to query which packages have updates.
If you're looking for something that helps install the packages that are outdated, check out
pip-review has both an
--auto option which automatically installs all updates it finds and an
--interactive which will prompt you which packages you'd like to update.