Worked on the mongodb/mongo-rust-driver repository to improve dependency hygiene and build stability by migrating the project’s SHA-1 hashing implementation from the deprecated sha-1 crate to the actively maintained sha1 crate. This update involved careful modification of Cargo.toml and Cargo.lock files, ensuring the new dependency integrated smoothly with the existing Rust codebase. The migration preserved build integrity, maintained compatibility, and reduced future security risks associated with deprecated libraries. Demonstrated proficiency in Rust and dependency management by executing a seamless crate transition, validating successful compilation and tests, and enhancing the project’s long-term maintainability through precise, auditable repository changes.