# Contract Upgradability

*Ocean uses UUPS proxies for upgradability. Each module contract (e.g., `MintingManager`, `OCUSD`) is behind a proxy managed by governance.*

```
contract OCUSD is UUPSUpgradeable, ERC20Upgradeable { ... }
```

*Upgrades are triggered via:*

```
function _authorizeUpgrade(address newImplementation) internal override onlyRole(GOVERNANCE_ROLE) {}
```


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