diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6ad1970..70b7039 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,8 +14,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Release Please
-        uses: googleapis/release-please-action@v5.0.0
+        uses: dkarter/release-please-action@5931f1e9ef68429590dc13ea0655d0a2708cbd2f
         with:
           token: ${{ secrets.RELEASE_PLEASE_GITHUB_TOKEN || github.token }}
           config-file: release-please-config.json
           manifest-file: .release-please-manifest.json
+          signing-gpg-private-key: ${{ secrets.RELEASE_PLEASE_GPG_PRIVATE_KEY }}
+          signing-gpg-passphrase: ${{ secrets.RELEASE_PLEASE_GPG_PASSPHRASE }}
+          signing-gpg-key-id: ${{ secrets.RELEASE_PLEASE_GPG_KEY_ID }}
+          signing-commit-author-name: release-please-signer
+          signing-commit-author-email: 293262735+release-please-signer@users.noreply.github.com
+          signing-commit-committer-name: release-please-signer
+          signing-commit-committer-email: 293262735+release-please-signer@users.noreply.github.com
diff --git a/dprint.json b/dprint.json
index 8fe2ffc..621e955 100644
--- a/dprint.json
+++ b/dprint.json
@@ -8,6 +8,7 @@
   "yaml": {
   },
   "excludes": [
+    "CHANGELOG.md",
     "**/*-lock.json"
   ],
   "includes": [
diff --git a/mise.toml b/mise.toml
index 412f373..c172dee 100644
--- a/mise.toml
+++ b/mise.toml
@@ -33,3 +33,11 @@ status=0
   done
 exit $status
 """
+
+[tasks."release:signing-key"]
+description = "Generate/export the release-please GPG signing key"
+file = "scripts/release-please-gpg-key.sh"
+
+[tasks."release:signing-key:print"]
+description = "Print release-please GPG signing values to stdout"
+run = "bash scripts/release-please-gpg-key.sh --print"
diff --git a/scripts/release-please-gpg-key.sh b/scripts/release-please-gpg-key.sh
new file mode 100755
index 0000000..e50823f
--- /dev/null
+++ b/scripts/release-please-gpg-key.sh
@@ -0,0 +1,137 @@
+#!/usr/bin/env bash
+#MISE description "Generate/export the release-please GPG signing key"
+#USAGE flag "--print" help="Print key material and secret values to stdout"
+set -euo pipefail
+
+name="release-please-signer"
+email="293262735+release-please-signer@users.noreply.github.com"
+uid="${name} <${email}>"
+output_dir="${RELEASE_PLEASE_GPG_OUTPUT_DIR:-}"
+print_values="false"
+
+if [[ "${usage_print:-false}" == "true" ]]; then
+  print_values="true"
+fi
+
+usage() {
+  printf 'Usage: %s [--print]\n' "${0##*/}"
+  printf '\n'
+  printf 'Generates a release-please GPG signing key if one does not exist, then exports:\n'
+  printf '  RELEASE_PLEASE_GPG_PRIVATE_KEY\n'
+  printf '  RELEASE_PLEASE_GPG_KEY_ID\n'
+  printf '  RELEASE_PLEASE_GPG_PASSPHRASE, if RELEASE_PLEASE_GPG_PASSPHRASE is set\n'
+  printf '\n'
+  printf 'Environment:\n'
+  printf '  RELEASE_PLEASE_GPG_PASSPHRASE   Optional passphrase for a new key\n'
+  printf '  RELEASE_PLEASE_GPG_OUTPUT_DIR   Optional output directory; defaults to a new temp directory\n'
+  printf '\n'
+  printf 'Use --print only if you intentionally want key material printed to stdout.\n'
+}
+
+while (($#)); do
+  case "$1" in
+    --print)
+      print_values="true"
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    *)
+      printf 'Unknown argument: %s\n' "$1" >&2
+      usage >&2
+      exit 2
+      ;;
+  esac
+  shift
+done
+
+if ! command -v gpg >/dev/null 2>&1; then
+  printf 'gpg is required but was not found in PATH.\n' >&2
+  exit 1
+fi
+
+if [[ -z "$output_dir" ]]; then
+  output_dir="$(mktemp -d "${TMPDIR:-/tmp}/release-please-signer.XXXXXX")"
+else
+  mkdir -p "$output_dir"
+fi
+chmod 700 "$output_dir"
+
+fingerprint_for_email() {
+  gpg --list-secret-keys --with-colons "$email" 2>/dev/null | awk -F: '$1 == "fpr" {print $10; exit}'
+}
+
+fingerprint="$(fingerprint_for_email || true)"
+
+if [[ -z "$fingerprint" ]]; then
+  printf 'No existing secret key found for %s. Generating one now.\n' "$uid" >&2
+  if [[ -n "${RELEASE_PLEASE_GPG_PASSPHRASE+x}" ]]; then
+    gpg --batch --pinentry-mode loopback --passphrase "$RELEASE_PLEASE_GPG_PASSPHRASE" \
+      --quick-generate-key "$uid" rsa4096 sign 2y
+  else
+    gpg --batch --pinentry-mode loopback --passphrase '' \
+      --quick-generate-key "$uid" rsa4096 sign 2y
+  fi
+  fingerprint="$(fingerprint_for_email)"
+else
+  printf 'Using existing secret key for %s.\n' "$uid" >&2
+fi
+
+private_key_file="${output_dir}/release-please-private-key.asc"
+public_key_file="${output_dir}/release-please-public-key.asc"
+key_id_file="${output_dir}/release-please-key-id.txt"
+
+private_key_tmp="${private_key_file}.tmp"
+secret_export_args=(--batch --yes --pinentry-mode loopback)
+if [[ -n "${RELEASE_PLEASE_GPG_PASSPHRASE+x}" ]]; then
+  secret_export_args+=(--passphrase "$RELEASE_PLEASE_GPG_PASSPHRASE")
+else
+  secret_export_args+=(--passphrase '')
+fi
+
+if ! gpg "${secret_export_args[@]}" --armor --export-secret-keys "$fingerprint" > "$private_key_tmp"; then
+  rm -f "$private_key_tmp"
+  if [[ -z "${RELEASE_PLEASE_GPG_PASSPHRASE+x}" ]]; then
+    printf '\nFailed to export the secret key. If the existing key is passphrase-protected, rerun with:\n' >&2
+    printf '  RELEASE_PLEASE_GPG_PASSPHRASE=<passphrase> mise run release:signing-key\n' >&2
+  fi
+  exit 1
+fi
+mv "$private_key_tmp" "$private_key_file"
+gpg --armor --export "$fingerprint" > "$public_key_file"
+printf '%s\n' "$fingerprint" > "$key_id_file"
+chmod 600 "$private_key_file" "$key_id_file"
+chmod 644 "$public_key_file"
+
+printf '\nGenerated/exported release-please signer values.\n'
+printf '\nFiles:\n'
+printf '  private key: %s\n' "$private_key_file"
+printf '  public key:  %s\n' "$public_key_file"
+printf '  key id:      %s\n' "$key_id_file"
+printf '  cleanup:     rm -rf %q\n' "$output_dir"
+
+printf '\nGitHub repository secret commands:\n'
+printf '  gh secret set RELEASE_PLEASE_GPG_PRIVATE_KEY < %q\n' "$private_key_file"
+printf '  gh secret set RELEASE_PLEASE_GPG_KEY_ID --body "$(<%q)"\n' "$key_id_file"
+if [[ -n "${RELEASE_PLEASE_GPG_PASSPHRASE+x}" ]]; then
+  printf '  gh secret set RELEASE_PLEASE_GPG_PASSPHRASE --body %q\n' "$RELEASE_PLEASE_GPG_PASSPHRASE"
+else
+  printf '  # RELEASE_PLEASE_GPG_PASSPHRASE is not needed; generated/using an unprotected key.\n'
+fi
+
+printf '\nAdd this public key to GitHub for release-please-signer:\n'
+printf '  %s\n' "$public_key_file"
+
+if [[ "$print_values" == "true" ]]; then
+  printf '\nRELEASE_PLEASE_GPG_KEY_ID:\n'
+  printf '%s\n' "$fingerprint"
+  printf '\nRELEASE_PLEASE_GPG_PRIVATE_KEY:\n'
+  cat "$private_key_file"
+  printf '\nRELEASE_PLEASE_GPG_PUBLIC_KEY:\n'
+  cat "$public_key_file"
+  if [[ -n "${RELEASE_PLEASE_GPG_PASSPHRASE+x}" ]]; then
+    printf '\nRELEASE_PLEASE_GPG_PASSPHRASE:\n'
+    printf '%s\n' "$RELEASE_PLEASE_GPG_PASSPHRASE"
+  fi
+fi