OP Stack smart contracts are published to NPM and can be installed via:
OP Stack smart contracts are published to NPM and can be installed via:
```sh
```sh
npm install @eth-optimism/contracts-bedrock.
npm install @eth-optimism/contracts-bedrock
```
```
Refer to the [Optimism Developer Docs](https://docs.optimism.io/builders/dapp-developers/contracts/system-contracts#using-system-contracts-in-solidity) for additional information about how to use this package.
Refer to the [Optimism Developer Docs](https://docs.optimism.io/builders/dapp-developers/contracts/system-contracts#using-system-contracts-in-solidity) for additional information about how to use this package.
