# upgrade-miniapp

## Description

* Upgrades a MiniApp to the currently activated platform version

## Syntax

`ern upgrade-miniapp`

**Options**

`--version/-v <version>`

* Upgrade the MiniApp to a specific platform version &#x20;

`--manifestId <manifestId>`

* Id of the override Manifest entry to retrieve dependencies versions from (see [override Manifest](/v0.34/reference/index-3/override.md) for more info)

## Remarks

* Based on your preference, you can select which package manager (`npm` or `yarn`) to be used by this command when updating the packages versions. This can be done by adding or updating `packageManager` field in the `ern` object kept in the MiniApp package.json. For example, to use `npm`. If this field is missing from configuration, `yarn` will be used over `npm` if it is installed on the workstation.

```javascript
"ern": {
    "packageManager": "npm"
}
```


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