Christian upgraded the CI/CD pipeline for the Cambly/syntax repository by migrating core workflows to GitHub Actions v4. This work involved updating the checkout, setup-node, and cache actions from v3 to v4, ensuring compatibility with the latest features and security patches. Christian validated build stability and workflow reliability across multiple pipelines, focusing on foundational improvements rather than bug fixes. The upgrade, implemented using YAML and leveraging CI/CD best practices, aimed to enhance both reliability and speed of the continuous integration process. This work laid the groundwork for future development by modernizing the automation infrastructure and improving overall security posture.