tldr/pages/common/cargo-update.md

# cargo update

> Update dependencies as recorded in `Cargo.lock`.
> More information: <https://doc.rust-lang.org/cargo/commands/cargo-update.html>.

- Update dependencies in `Cargo.lock` to the latest possible version:

`cargo update`

- Display what would be updated, but don't actually write the lockfile:

`cargo update {{[-n|--dry-run]}}`

- Update only the specified dependencies:

`cargo update --package {{dependency1}} --package {{dependency2}} --package {{dependency3}}`

- Set a specific dependency to a specific version:

`cargo update --package {{dependency}} --precise {{1.2.3}}`