# 4.1 Change Package Name

## Android Package Name

{% hint style="info" %}
You have to use the same package name that you have registered in the firebase console.
{% endhint %}

* Go to your IDE and run the following command from your IDE terminal by changing the package name with yours.

```
flutter pub run change_app_package_name:main com.new.package.name
```

{% hint style="info" %}
Don’t forget to replace **com.new\.package.name** with your package name. 
{% endhint %}

***

## iOS Package Name

Go to the **i​os/Runner/Info.plist**​ file and replace the **CFBundleIdentifier value** with your **iOS package name**. (See the picture below)

<figure><img src="https://193695234-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FuVX9DkcSpz5pWRDwpVCd%2Fuploads%2FE5XKv8KUifhdJjmjsnZs%2Fimage.png?alt=media&#x26;token=dc8f4c38-4f3e-4ed5-a73a-6b0c8bdfc35b" alt=""><figcaption></figcaption></figure>