Lenilson focused on maintaining and updating dependencies for the web-infra-dev/rsdoctor repository, specifically targeting the real-time communication stack. During the month, he upgraded Socket.IO from version 4.7.2 to 4.8.1 and ensured that related transitive dependencies such as engine.io and debug were aligned for improved security and compatibility. His work centered on dependency management using YAML, with an emphasis on operational stability rather than feature development or bug fixes. By proactively addressing potential security issues and keeping the codebase current, Lenilson helped prepare the system for future enhancements while maintaining a stable and secure development environment.