# Migration Guides

When updating an ad plugin's dependency on videojs-contrib-ads accross [major version](https://semver.org/) updates, refer to these migration guides in order to understand what changes may be necessary.

* [Migrating to 2.0](migration-guides/migrating-to-2.0.md)
* [Migrating to 3.0](migration-guides/migrating-to-3.0.md)
* [Migrating to 4.0](migration-guides/migrating-to-4.0.md)
* [Migrating to 5.0](migration-guides/migrating-to-5.0.md)
* [Migrating to 6.0](migration-guides/migrating-to-6.0.md)