> ## 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.

# 3.4 to 3.5

> This guide covers upgrading a 3.4 Spree store, to a 3.5 store.

### Update gems

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

### Install missing migrations

```bash theme={"theme":"night-owl"}
rake railties:install:migrations
```

### Run migrations

```bash theme={"theme":"night-owl"}
rails db:migrate
```

### Install Spree Analytics Trackers extension

If you were previously using Analytics Trackers feature you need to install it as an extension as it was [extracted from the core](https://github.com/spree/spree/pull/8408).

1. Add [Spree Analytics Trackers](https://github.com/spree-contrib/spree_analytics_trackers) to your `Gemfile`:

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

2. Copy and run migrations:

```bash theme={"theme":"night-owl"}
bin/rails g spree_analytics_trackers:install
```

## Read the release notes

For information about changes contained within this release, please read the [3.5.0 Release Notes](https://github.com/spree/spree/releases/tag/v3.5.0).