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Updates the lockfiles without installing dependencies. Usually one would use the sync command instead which both locks and installs dependencies.

For more information see Syncing and Locking.


$ rye lock
Generating production lockfile: /Users/username/my-project/requirements.lock
Generating dev lockfile: /Users/username/my-project/requirements-dev.lock


no arguments


  • --update <UPDATE>: Update a specific package

  • --update-all: Update all packages to the latest

  • --pre: Update to pre-release versions

  • --features <FEATURES>: Extras/features to enable when locking the workspace

  • --all-features: Enables all features

  • --generate-hashes: Set to true to lock with hashes in the lockfile

  • --with-sources: Set to true to lock with sources in the lockfile

  • --pyproject <PYPROJECT_TOML>: Use this pyproject.toml file

  • -v, --verbose: Enables verbose diagnostics

  • -q, --quiet: Turns off all output

  • -h, --help: Print help (see a summary with '-h')