# 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` basic `BrowserLocker` is > recommended. The [`WebDriverLocker`](./webdriver.ipynb) is more appropriate for > projects that already use [selenium](https://selenium-python.readthedocs.io/) for > browser automation. ## Locker-specific Configuration ```{toctree} :maxdepth: 4 core webdriver ```