Focused on security maintenance for the monte-carlo-data/apollo-agent repository, this developer addressed a vulnerability by upgrading the certifi package across three dependency lists. The work centered on dependency management, ensuring that all relevant requirements files referenced a secure version of certifi without introducing functional changes. By proactively remediating VULN-457, the update reduced production risk and improved the project’s overall dependency hygiene. The approach demonstrated careful release management and attention to security best practices, with all changes delivered through a targeted dependency bump. The work was completed using text-based configuration and dependency management skills, emphasizing reliability and maintainability in Python environments.