Downgrade or install a specific version of Composer?

February 27, 2022

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Hello Coders,

If you installed the latest version of Composer or a regular composer installation, to rollback to version 1 of composer, you simply execute:

composer self-update --1

1	composer self-update --1

When you want to go back to or latest version 2 (which you should, after updating or removing the incompatible plugins):

composer self-update --2

1	composer self-update --2

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The above command will take you to the latest on any of the two major versions.

You can also “update or change” to a specific version just bypassing the version number to self-update

composer self-update 1.10.12
composer self-update 2.0.7

1 2	composer self-update 1.10.12 composer self-update 2.0.7

After performing any self-update command, you can specify --rollback to go back to the previously installed version.

composer self-update
composer self-update --rollback

1 2	composer self-update composer self-update --rollback

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Happy Coding !!

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Software Engineer