Rzup is used at run time in 7 crates (of which 1 optionally). It is a direct run-time dependency in 2 crates. It's used at build time in 1 crate (of which 1 optionally, ). It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) Rzup version
39K 5 risc0-build ^0.4.1
43K 39 risc0-zkvm optional ^0.4.1