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cheatsheet-tldr/tldr/uv-lock
2025-06-19 00:20:52 +00:00

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---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# uv lock
> Update the project's lockfile.
> More information: <https://docs.astral.sh/uv/reference/cli/#uv-lock>.
- Create or update the project's lockfile:
`uv lock`
- Check if the lockfile is up-to-date without updating it:
`uv lock --check`
- Assert that a lockfile exists without checking if it's current:
`uv lock --check-exists`
- Preview what would be locked without writing the lockfile:
`uv lock --dry-run`
- Lock a specific Python script instead of the current project:
`uv lock --script {{path/to/script.py}}`
- Upgrade all packages to their latest compatible versions:
`uv lock --upgrade`
- Upgrade only specific packages:
`uv lock --upgrade-package {{package1}} --upgrade-package {{package2}}`