At the bottom of your ``composer.json`` file, in the ``extra`` block you can

find a data setting for the Symfony version. Make sure to also upgrade

this one. For instance, update it to ``7.0.*`` to upgrade to Symfony 7.0:

A more efficient way to handle Symfony dependency updates is by setting the

``extra.symfony.require`` configuration option in your ``composer.json`` file.

In Symfony applications using:doc:`Symfony Flex</setup/flex>`, this setting

restricts Symfony packages to a single specific version, improving both

dependency management and Composer update performance:

..code-block::diff

..warning::

Tools like `dependabot`_ may ignore this setting and upgrade Symfony

dependencies. For more details, see this `GitHub issue about dependabot`_.

..tip::

If a more recent minor version is available (e.g. ``6.4``) you can use that

.. _`PHP CS Fixer`:https://github.com/friendsofphp/php-cs-fixer

.. _`Rector`:https://github.com/rectorphp/rector

.. _`maintained Symfony versions`:https://symfony.com/releases

.. _`dependabot`:https://docs.github.com/en/code-security/dependabot

.. _`GitHub issue about dependabot`:https://github.com/dependabot/dependabot-core/issues/4631