## iOS
From your project root, navigate to the `ios/` directory and modify the `Podfile` using a text editor of your choice and update the target iOS platform to 11.0 or higher.

```bash
platform :ios, '11.0'
```

<Callout>

When preparing your application for deployment, you should also update your iOS Deployment Target to at least 11.0. See the [Flutter docs](https://docs.flutter.dev/deployment/ios) to learn more about building your iOS app for release.

</Callout>

## Android
From your project root, navigate to the `android/app/` directory and modify `build.gradle` using a text editor of your choice and update the target Android SDK version to 21 or higher:

```bash
minSdkVersion 21
```

import flutter1 from '/src/fragments/start/getting-started/flutter/kotlin-version-warning.mdx';

<Fragments fragments={{ flutter: flutter1 }} />