> ## Documentation Index
> Fetch the complete documentation index at: https://spreecommerce.org/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Upgrading to Spree 4.9

> This guide covers upgrading a Spree 4.8 application to Spree 4.9.

<Info>
  Before proceeding to upgrade, please ensure you're at [Spree 4.8](/developer/upgrades/4.x-to-4.8)
</Info>

## Upgrade steps

### 1. Update gems

```bash theme={"theme":"night-owl"}
bundle update
```

### 2. Install and run missing migrations

```bash theme={"theme":"night-owl"}
bin/rake spree:install:migrations && bin/rails db:migrate
```

## Read the release notes

For information about changes contained within this release, please read the [Spree 4.9.0 Release Notes.](https://github.com/orgs/spree/discussions/12123)