# Upgrading Amazon DocumentDB
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**Topics**
+ [Amazon DocumentDB engine version support dates](docdb-version-support-dates.md)
+ [Amazon DocumentDB in-place major version upgrade](docdb-mvu.md)
+ [Upgrading your Amazon DocumentDB cluster using Amazon Database Migration Service](docdb-migration.versions.md)
+ [Using a long-term support (LTS) release](docdb-lts-release.md)