update packages composer global
composer global updateupdate particular package composer
composer update doctrine/doctrine-fixtures-bundleupdate composer
To update composer command just find location of composer.phar and update as:
where composer #Retrieves you location of your composer.phar
cd path_to_composer.phar #Move to directory with composer.phar
php composer.phar self-update #Update your composerCopyright © 2021 Codeinu
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