Worked on the XcodesOrg/homebrew-cask repository to deliver a targeted upgrade of the Semeru JDK Open package, focusing on version 25.0.3.0. The work involved updating both the main and versioned casks, ensuring that new SHA256 checksums and corrected download URLs matched the latest distribution artifacts. Using Ruby and leveraging expertise in macOS development and package management, the developer validated package integrity and compatibility, reducing the risk of failed installations or security issues. All changes were consolidated into a clear, auditable commit, supporting future maintenance and review processes while reinforcing the reliability of the build and install workflow.