# Update from 3.2 to 4.0

## GitLab CI 4.0 requires GitLab 6.3 or higher

### 1. stop CI server

    sudo service gitlab_ci stop

### 2. Switch to your gitlab_ci user

```
sudo su gitlab_ci
cd /home/gitlab_ci/gitlab-ci
```

### 3. get latest code

```
git fetch
git checkout 4-0-stable
```

### 4. Install libs, migrations etc

```
bundle install --without development test --deployment
bundle exec rake db:migrate RAILS_ENV=production
bundle exec whenever -w
```

### 5. Start web application

    sudo service gitlab_ci start

### 6. Update your runners to version 4.0
