etcd-io__etcd/Documentation/upgrades/_index.md

---

title: Upgrading etcd clusters and applications

This section contains documents specific to upgrading etcd clusters and applications.

Moving from etcd API v2 to API v3

• Migrate applications from using API v2 to API v3

Upgrading an etcd v3.x cluster

• Upgrade etcd from 3.0 to 3.1
• Upgrade etcd from 3.1 to 3.2

Upgrading from etcd v2.3

• Upgrade a v2.3 cluster to v3.0