Worked on the Homebrew/homebrew-cask repository to enhance the security and reliability of software installations by updating the checksum for the NoMachine Enterprise Client package. Focused on aligning the checksum with the official release from the NoMachine website, this update reduced the risk of tampered downloads and improved installation integrity. The work involved careful use of Ruby and package management skills to ensure the formula accurately reflected the intended version. Clear and precise commit messaging was used to document the rationale and versioning, supporting auditability and compliance. The contribution addressed a single bug fix, emphasizing attention to detail and repository quality.