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cachet-docker/docs/heroku/upgrade.md

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# Upgrade Cachet on Heroku
To begin, you'll need the [Heroku Toolbelt](https://toolbelt.heroku.com/) on your system.
## Login to Heroku
Run the following command to login to your Heroku account. You'll need to provide your email and password.
```bash
$ heroku login
```
## Clone your app
Now clone your app to somewhere on your system, for this example we'll use the desktop and `cachet` as our app name.
```bash
$ cd ~/Desktop
$ heroku git:clone -a cachet
```
The toolbelt will now use Git to clone your app locally.
## Add a new remote
Once cloned we'll want to change into the app directory.
```bash
$ cd cachet
```
We can now add a new remote - the Cachet source to the repository.
```bash
$ git remote add origin git@github.com:cachethq/cachet.git
```
Now we update our app with the latest version.
```bash
$ git fetch origin
$ git reset --hard origin/master
```
## Change the buildpack
You'll only need to do this if your `BUILDPACK_URL` env var is different to `https://github.com/cachethq/cachet-buildpack`. You can check this by running:
```bash
$ heroku config:get BUILDPACK_URL
```
If you're buildpack does not match the above, you need to run:
```bash
$ heroku config:set BUILDPACK_URL=https://github.com/cachethq/cachet-buildpack
```
## Push the changes
Our app will now be running the latest version of Cachet, we just need to push it back to Heroku.
```bash
$ git push heroku
```
We're done!