diff --git a/Cargo.lock b/Cargo.lock
index cd7a5d3..d68713b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1019,7 +1019,7 @@ dependencies = [
 
 [[package]]
 name = "runnerctl"
-version = "0.4.1"
+version = "0.4.2"
 dependencies = [
  "anyhow",
  "assert_cmd",
diff --git a/Cargo.toml b/Cargo.toml
index 310eb92..23035cc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "runnerctl"
-version = "0.4.1"
+version = "0.4.2"
 edition = "2024"
 rust-version = "1.85"
 description = "Manage independent ephemeral GitHub Actions runner pools on one Docker host"
diff --git a/config.example.toml b/config.example.toml
index 41af3a7..bb7c705 100644
--- a/config.example.toml
+++ b/config.example.toml
@@ -22,7 +22,7 @@ auth = "team"
 labels = ["validate"]
 runner_group = "Default"
 replicas = 2
-image = "ghcr.io/clroot/runnerctl-runner:v0.4.1"
+image = "ghcr.io/clroot/runnerctl-runner:v0.4.2"
 docker_socket = false
 cpus = 2.0
 memory = "2g"
@@ -34,7 +34,7 @@ auth = "team"
 labels = ["build"]
 runner_group = "Default"
 replicas = 2
-image = "ghcr.io/clroot/runnerctl-runner:v0.4.1"
+image = "ghcr.io/clroot/runnerctl-runner:v0.4.2"
 docker_socket = true
 # allow_privilege_escalation = true # Let jobs use sudo (e.g. apt-get, playwright --with-deps).
 cpus = 2.0
@@ -50,5 +50,5 @@ auth = "team" # Needs repository Administration: write; see docs/authentication.
 labels = ["test"]
 runner_group = "Default"
 replicas = 1
-image = "ghcr.io/clroot/runnerctl-runner:v0.4.1"
+image = "ghcr.io/clroot/runnerctl-runner:v0.4.2"
 docker_socket = false
diff --git a/docs/operations.md b/docs/operations.md
index 75acc8b..53bbcc2 100644
--- a/docs/operations.md
+++ b/docs/operations.md
@@ -66,7 +66,7 @@ GitHub's [update policy](https://docs.github.com/en/actions/reference/runners/se
 cargo install runnerctl --locked
 runnerctl image pull
 # Use the version tag matching the newly installed CLI.
-runnerctl upgrade --pool ci --image ghcr.io/clroot/runnerctl-runner:v0.4.1
+runnerctl upgrade --pool ci --image ghcr.io/clroot/runnerctl-runner:v0.4.2
 runnerctl doctor
 ```
 
diff --git a/docs/releases.md b/docs/releases.md
index 8feeb84..97310a6 100644
--- a/docs/releases.md
+++ b/docs/releases.md
@@ -1,6 +1,6 @@
 # Releases and runner maintenance
 
-The CLI is distributed through crates.io. Runner images are distributed through GHCR using the matching CLI tag (`ghcr.io/clroot/runnerctl-runner:v0.4.1`). No downloadable CLI binaries are produced.
+The CLI is distributed through crates.io. Runner images are distributed through GHCR using the matching CLI tag (`ghcr.io/clroot/runnerctl-runner:v0.4.2`). No downloadable CLI binaries are produced.
 
 ## Publish