---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# rustup update

> Update Rust toolchains and `rustup` itself (if not installed using a package manager).
> More information: <https://rust-lang.github.io/rustup>.

- Update all installed toolchains and `rustup`:

`rustup update`

- Install or update a specific toolchain (see `rustup help toolchain` for more information):

`rustup update {{toolchain}}`
