# Configuration Configuring JupyterLite to use `pyodide-lock` requires adding some data to `jupyter_lite_config.json`. > **Note** > > Starting with the [`jupyterlite-pyodide-lock-uv`](./uv.ipynb)'s `UvLocker` is > recommended. > > The [`WebDriverLocker`](./webdriver.ipynb) is more appropriate for projects that > already use [`selenium`](https://selenium-python.readthedocs.io/) for browser > automation. ## Addon and Locker Configuration ```{toctree} :maxdepth: 4 core webdriver uv ```