Worked on enhancing dependency management for the ros/rosdistro repository by introducing new Rosdep keys for SortedCollections, PyInterval, and Minio, thereby improving the reliability of package management workflows. Addressed linter errors and corrected dependency declarations to ensure compliance with ROS coding standards and to raise overall code quality. Utilized Python and YAML to implement and document these changes, focusing on maintainability and clarity in the codebase. The work emphasized precise dependency resolution and robust package management, contributing to a more stable development environment for ROS users. All modifications were tracked and referenced through detailed commit documentation for transparency.