During February 2025, Techknowlogick contributed to the Saghen/nixpkgs repository by updating the Flintlock package from version 0.8.0 to 0.8.1. This work involved modifying the version string and recalculating the SHA256 fetch hash to maintain reproducible builds and ensure alignment with upstream sources. Using Nix and focusing on package management, Techknowlogick implemented the update in a single, traceable commit, emphasizing stability and maintainability rather than introducing new features or bug fixes. The update improved build determinism and dependency hygiene for users relying on Flintlock, demonstrating careful attention to cryptographic hash handling and version management best practices.