Worked on the grafana/prometheus repository to streamline Go module dependency management, focusing on improving build reproducibility and minimizing dependency drift. The approach involved removing the toolchain version from the go.mod file and updating dependency maintenance practices to align with Prometheus project standards. By consolidating repository hygiene and ensuring consistency between local and CI environments, the work simplified future dependency updates and improved overall CI reliability. Utilizing Go and dependency management skills, the changes resulted in tighter build consistency across releases, making maintenance more straightforward and reducing discrepancies that could arise from mismatched dependency states in different development environments.