# Configuration Configuring JupyterLite to use `pyodide-lock` requires adding some data to `jupyter_lite_config.json`. > **Note** > > Starting with the [core](./core.ipynb)'s > `PyodideLockAddon` and the naive `BrowserLocker` is recommended. > The [`WebDriverLocker`](./webdriver.ipynb)'s is more appropriate > for projects that already use [selenium](https://selenium-python.readthedocs.io/) > for browser automation. ## Locker-specific Configuration ```{toctree} :maxdepth: 3 core webdriver ```