# cargo generate-lockfile > Generates the `Cargo.lock` file for the current package. > If the lockfile already exists it will be rebuilt with latest version of every package. > More information: . - Generate a `Cargo.lock` file with the latest version of every package: `cargo generate-lockfile` - Specify a custom path for the `Cargo.toml` file (Note: By default the file is present in the current directory): `cargo generate-lockfile --manifest-path {{path/to/file.toml}}` - Assert that the `Cargo.lock` file is up-to-date: `cargo generate-lockfile --locked` - Prevent Cargo from attempting to access the network to determine if it out-of-date: `cargo generate-lockfile --frozen` - Prevent Cargo from accessing the network. (Note: If Cargo requires internet to proceed and network is not available, it will stop with an error): `cargo generate-lockfile --offline`