`--bump stable` cannot be used with another `--bump` value,

Error message

`--bump stable` cannot be used with another `--bump` value, got: {components}

What it means

Error "`--bump stable` cannot be used with another `--bump` value, got: {components}" thrown in astral-sh/uv.

Source

Thrown at crates/uv/src/commands/project/version.rs:221

            .collect();
        let post_count = bump
            .iter()
            .filter(|spec| spec.bump == VersionBump::Post)
            .count();
        let stable_count = bump
            .iter()
            .filter(|spec| spec.bump == VersionBump::Stable)
            .count();

        // Very little reason to do "bump to stable" and then do other things,
        // even if we can make sense of it.
        if stable_count > 0 && bump.len() > 1 {
            let components = bump
                .iter()
                .map(ToString::to_string)
                .collect::<Vec<_>>()
                .join(", ");
            return Err(anyhow!(
                "`--bump stable` cannot be used with another `--bump` value, got: {components}"
            ));
        }

        // Very little reason to "bump to post" and then do other things,
        // how is it a post-release otherwise?
        if post_count > 0 && bump.len() > 1 {
            let components = bump
                .iter()
                .map(ToString::to_string)
                .collect::<Vec<_>>()
                .join(", ");
            return Err(anyhow!(
                "`--bump post` cannot be used with another `--bump` value, got: {components}"
            ));
        }

        // `--bump major --bump minor` makes perfect sense (1.2.3 => 2.1.0)

View on GitHub (pinned to f1a42680ff)

When it happens

Trigger: Thrown at crates/uv/src/commands/project/version.rs:221 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of astral-sh/uv@f1a42680ff (2026-08-16). Data as JSON: /api/errors/33a379902a85bfce. Report an issue: GitHub.