..note:: Please note that http parser functionality which was previously part of ``nghttp`` component is now part of :component:`http_parser <http_parser>` component.
These components can be installed using ``idf.py add-dependency`` command.
For example, to install libsodium component with exact version X.Y, run: ``idf.py add-dependency libsodium==X.Y``.
To install libsodium component with the latest version compatible to X.Y according to `semver <https://semver.org/>`_ rules, run: ``idf.py add-dependency libsodium~X.Y``.
To find out which versions of each component are available, open https://components.espressif.com, search for the component by its name and check the versions listed on the component page.