Worked on maintenance for the neo4j/cypher-language-support repository, focusing on improving security and build stability through targeted dependency management. Addressed a security advisory by updating dependency versions in both package.json and package-lock.json, ensuring compatibility with the current JavaScript ecosystem and enhancing build reproducibility. The work involved careful analysis of transitive dependencies to remove known vulnerabilities and maintain runtime compatibility. By refining the project’s dependency tree using JSON and modern dependency management practices, the developer enabled more reliable continuous integration runs and a stable build process, directly supporting the repository’s ongoing stability and security without introducing new features during this period.