As of October 7, 2024, Dependabot no longer supports Bundler version 1, which has reached its end-of-life. If you continue to use Bundler version 1, Dependabot will be unable to create pull requests to update your dependencies. If this affects you, we recommend updating to a supported release of Bundler. As of October 2024, the newest supported version is 2.5.
View Bundler’s official support policies for more information about supported releases.