During the month, contributed to the NixOS/nixpkgs repository by upgrading the ashell package from version 0.5.0 to 0.6.0, focusing on package management using the Nix expression language. The work involved updating the package derivation to fetch the new source and its corresponding hash, ensuring build reproducibility and compatibility with existing NixOS tooling. Leveraged fetchFromGitHub and hash management techniques, and validated the update through CI checks to maintain packaging quality. Documented upstream release notes and code diffs to support traceability and auditing, delivering a stable upgrade that incorporated upstream improvements without introducing regressions or breaking existing workflows.