Worked on maintaining the Homebrew/homebrew-cask repository by addressing a critical bug affecting the integrity verification of Clocker version 26.07 downloads. Focused on updating the SHA256 hash in the Cask file to match the released artifact, this work ensured that users could reliably verify the authenticity and integrity of downloaded files. The approach involved cryptographic hash verification, checksum validation, and careful alignment with release automation and changelogs. Leveraged Ruby and package management skills to validate the fix through both continuous integration and manual checks, reducing the risk of tampered downloads and preserving installation reliability for macOS users.