# Using an updated dependency Whenever someone adds a new dependency or updates one, you need to both download the dependency and make a new build: ```shell-session $ rocketfuel-get $ make build ``` ## Further reading Please see [Launchpad pip integration](https://ubuntu.com/docs/launchpad/developer/explanation/core-components-and-set-up/pip/index.html.md#launchpad-pip-integration).