Alfio Lazzaro upgraded the DBCSR dependency to version 2.8.0 in the cp2k/cp2k repository, focusing on build systems and dependency management using Shell scripting. He updated the subproject commit hash, installation script version, and SHA256 checksum to ensure the repository accurately referenced the new DBCSR release. Additionally, he revised the Spack dependency specification to maintain compatibility with the updated library. This work streamlined the integration of DBCSR within cp2k/cp2k, reducing potential version mismatches and improving maintainability. Over the month, Alfio’s contributions demonstrated a focused approach to dependency upgrades, emphasizing precision and reliability in the project’s build process.