Update Package(s)
MAMP PRO lets you update installed Composer packages directly from its interface.

Updating Packages
Section titled “Updating Packages”-
Open the Menu: Select Site → Composer → Update Package(s) from the top menu.
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Select Packages to Update: A dialog opens showing all Composer packages currently installed for the selected site. You can select one or more packages from the list.
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Optional: Dry Run: Enable the “Dry run” checkbox to simulate the update process. This allows you to preview which changes would be made without modifying any files.
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Update Packages: Click Update to update the selected package(s). Composer runs the update in the background and updates the composer.json and composer.lock files.
After the update completes, the selected packages are updated to the latest allowed versions as defined by the version constraints in the composer.json file.