Worked on the grafana/k6-DefinitelyTyped repository to enhance security and compatibility by upgrading the htmlparser2 dependency from version 8.0.0 to 10.1. Focused on robust dependency management and package maintenance, the update aligned DefinitelyTyped typings with the latest htmlparser2 APIs, reducing future integration risks for downstream projects. The work involved careful handling of JSON configuration files and adherence to a complete pull request lifecycle, ensuring traceability and collaboration across teams. By prioritizing secure package upgrades and maintaining clear versioning, the developer contributed to improved performance potential and a stronger security posture for the repository’s ongoing maintenance and development.