Worked on the gitlabhq/gitlab-shell repository to enhance CI/CD processes by updating dependency and base image configurations. Focused on aligning Ruby and Rust versions in the CI pipeline with the latest gitlab-build-images, the work improved compatibility, security, and reliability of continuous integration workflows. Applied security recommendations from Duo Fix to the YAML-based CI/CD configuration, ensuring up-to-date runtimes and hardened pipelines. Leveraged skills in configuration management, DevOps, and YAML to deliver targeted updates that streamline build processes and maintain secure, modern development environments. The work addressed evolving runtime requirements and contributed to the ongoing stability of the CI infrastructure.