Gemnasium monitors your project dependencies and alerts you about updates and security vulnerabilities. Your project might be using a dangerous dependency, we will notify you as soon as advisories are public and affect your projects.

With Gemnasium, start reducing your technical debt today, and keep your project in shape!


Gemnasium is able to find the best set of compatible dependencies. Thanks to our command line tool, you will be able to keep your project dependencies up-to-date automatically!

All in one place

Gemnasium combines updates information available across all of your repositories. You have a clear overview of all your dependencies update information in one single interface.

Real time alerts

No need to watch constantly for updates. Gemnasium alerts you when a new update is available. Don't miss an important security fix update anymore.

Security alerts

Gemnasium alerts you as soon as a security advisory is reported and affecting your projects.

Full control of your privacy

Track the dependencies of your private projects without sharing access to their source code with our specific command line tool.

Team Work

Share a unique plan with all your collaborators.