Worked on the hmemcpy/nixpkgs repository to improve dependency management and build reproducibility by upgrading the go-task package from version 3.41.0 to 3.43.2. This involved updating the version number, source tag, and vendor and source hashes to match the latest upstream release, ensuring that automation workflows remained reliable and consistent. The approach emphasized traceability by making the upgrade fully auditable, which helped maintain reproducible builds and enhanced CI stability. Leveraged expertise in Nix and package management throughout the process, focusing on aligning tooling with current standards and reducing drift in the dependency stack for ongoing repository health.