---
title: "How can I migrate from Federation 1 to Federation 2?"
canonical: "https://support.apollographql.com/space/ETKB/655229005/How%20can%20I%20migrate%20from%20Federation%201%20to%20Federation%202%3F"
format: markdown
---
There are two high-level phases for moving to Federation 2:

## Phase 1

Use Federation 2 composition logic with your *unmodified* Federation 1 subgraph schemas.

## Phase 2

Modify your Federation 1 subgraph schemas to convert them to true Federation 2 subgraph schemas.

See the migration guide [here](https://www.apollographql.com/docs/federation/v2/federation-2/moving-to-federation-2/#phase-1-use-new-composition-logic).

[Federation 2 blog post](https://www.apollographql.com/blog/announcement/backend/apollo-federation-2-is-now-generally-available/)

[Additional info about breaking changes](https://www.apollographql.com/docs/federation/v2/federation-2/backward-compatibility)