[Home](./index.md) > [bitburner](./bitburner.md) > [Corporation](./bitburner.corporation.md) > [levelUpgrade](./bitburner.corporation.levelupgrade.md) ## Corporation.levelUpgrade() method Level an upgrade. Signature: ```typescript levelUpgrade(upgradeName: string): void; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | upgradeName | string | Name of the upgrade | Returns: void