diff --git a/.github/workflows/governance.yml b/.github/workflows/governance.yml
index 711c5e5..dad7efb 100644
--- a/.github/workflows/governance.yml
+++ b/.github/workflows/governance.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: PMPL-1.0-or-later
 # This workflow is managed by gh actions-lock.
 name: Governance
diff --git a/.github/workflows/label-triage.yml b/.github/workflows/label-triage.yml
index 9886e92..814a192 100644
--- a/.github/workflows/label-triage.yml
+++ b/.github/workflows/label-triage.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Label Triage
 
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index c80b676..83ab941 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Labels
 
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 8c43f1c..579479c 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 # This workflow is managed by gh actions-lock.
 # Dormant push-email notification. ARMED by setting the repo variable
@@ -40,7 +41,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Send push notification email
-        uses: hyperpolymath/smtp-notify-action@ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7  # NOSONAR — pin authority is actions.lock (sha1-ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7)
+        uses: hyperpolymath/smtp-notify-action@v0.2.0
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index 07dd1d2..bb2fed1 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 # This workflow is managed by gh actions-lock.
 # Calls the estate's shared secret scanner (gitleaks + rust-secrets +
diff --git a/.github/workflows/spark-theatre-gate.yml b/.github/workflows/spark-theatre-gate.yml
index 748fada..771132b 100644
--- a/.github/workflows/spark-theatre-gate.yml
+++ b/.github/workflows/spark-theatre-gate.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 # This workflow is managed by gh actions-lock.
 # Estate SPARK Theatre Gate — thin caller of the reusable workflow in