---
title: "Upgrading Flow Codebases"
short-title: "Upgrading Flow Codebases"
authors: [jordan-brown]
medium-link: "https://medium.com/flow-type/upgrading-flow-codebases-40ef8dd3ccd8"
---

:::info[Historical]
This post described upgrading Flow codebases at the time of writing. The migration steps may no longer be relevant.
:::

Having trouble upgrading from 0.84.0? Read about how the Flow team upgrades Flow at Facebook!
