Worked on the rustfs/rustfs repository to maintain and update the Nix Flake lockfile, focusing on ensuring reproducible builds and stable continuous integration workflows. The approach centered on refreshing dependency revisions for nixpkgs and rust-overlay, updating key metadata such as revision identifiers and hashes to reflect the latest versions. By aligning the CI pipeline with these updates, the work reduced the risk of dependency drift and maintained up-to-date build environments. Utilized Nix and YAML for dependency management and CI/CD integration, demonstrating a methodical approach to DevOps practices. No major bugs were addressed during this period, with efforts concentrated on feature maintenance.