diff --git a/crates/hiroz-protocol/Cargo.toml b/crates/hiroz-protocol/Cargo.toml
index 20ebe5ae2..59655a169 100644
--- a/crates/hiroz-protocol/Cargo.toml
+++ b/crates/hiroz-protocol/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hiroz-protocol"
-version = "0.1.0"
+version.workspace = true
 edition = "2021"
 rust-version = "1.75"
 authors = ["ZettaScale Technology <contact@zettascale.tech>"]
diff --git a/crates/hiroz-union/Cargo.toml b/crates/hiroz-union/Cargo.toml
index b5169e6ea..a7d855741 100644
--- a/crates/hiroz-union/Cargo.toml
+++ b/crates/hiroz-union/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hiroz-union"
-version = "0.1.0"
+version.workspace = true
 edition = "2024"
 description = "hu — plugin platform and TUI for the hiroz ROS 2 ecosystem"
 homepage = "https://github.com/ZettaScaleLabs/hiroz"
@@ -47,4 +47,9 @@ default = ["wasm-plugins"]
 wasm-plugins = ["dep:wasmtime", "dep:wasmtime-wasi"]
 web-plugins = ["wasm-plugins", "dep:axum"]
 ros-interop = []
-humble = []
+# No `humble` feature. It existed here as `humble = []` -- empty, forwarding
+# nothing to hiroz, referenced by no code and no build. `--features humble`
+# therefore selected hiroz's default jazzy while reading as a distro switch.
+# Selecting Humble needs `default-features = false` on the hiroz dependency,
+# which changes this crate's build graph; do that deliberately, not by
+# reviving a no-op flag.
diff --git a/crates/hiroz/Cargo.toml b/crates/hiroz/Cargo.toml
index b11b6ec20..436801c8f 100644
--- a/crates/hiroz/Cargo.toml
+++ b/crates/hiroz/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hiroz"
-version = "0.1.0"
+version.workspace = true
 edition = "2024"
 description = "Native Rust ROS 2 implementation using Zenoh"
 license.workspace = true
diff --git a/crates/rmw-zenoh-rs/Cargo.toml b/crates/rmw-zenoh-rs/Cargo.toml
index 82376e06a..8f451d2c5 100644
--- a/crates/rmw-zenoh-rs/Cargo.toml
+++ b/crates/rmw-zenoh-rs/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rmw-zenoh-rs"
-version = "0.1.0"
+version.workspace = true
 edition = "2024"
 description = "ROS 2 RMW (ROS Middleware) implementation using Zenoh - Requires ROS 2 Iron or later"
 publish = false