Worked on the macports/macports-ports repository to deliver a targeted dependency upgrade for GNSS-SDR and VOLK-GNSS-SDR, advancing both to version 0.0.21. Focused on dependency management and software configuration, the work involved updating package requirements and adjusting configurations to improve cross-component compatibility and build stability. Using Tcl, the developer scoped changes to a single, traceable commit, allowing for straightforward rollback if necessary. This approach reduced maintenance overhead and improved reliability for downstream ports, supporting future feature development. No major bugs were addressed during this period, with efforts concentrated on enhancing integration readiness and aligning toolchain components for maintainability.