diff --git a/.github/workflows/actions.lock b/.github/workflows/actions.lock
new file mode 100644
index 0000000..6b1564a
--- /dev/null
+++ b/.github/workflows/actions.lock
@@ -0,0 +1,28 @@
+# This file is machine-generated by `gh actions-lock`.
+# Do not edit by hand; run `gh actions-lock` to update.
+# Docs: https://gh.io/actions-lockfile
+version: 'v0.0.2'
+workflows:
+    '.github/workflows/anchor-drift.yml':
+        - 'actions/checkout@11d5960a326750d5838078e36cf38b85af677262'
+        - 'hyperpolymath/a2ml-ecosystem@aa4b836bd969df2bc58128cb8e3d20bbc88d5e79'
+    '.github/workflows/push-email-notify.yml':
+        - 'hyperpolymath/smtp-notify-action@ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7'
+    '.github/workflows/validate-action-tests.yml':
+        - 'actions/checkout@11d5960a326750d5838078e36cf38b85af677262'
+dependencies:
+    'actions/checkout@11d5960a326750d5838078e36cf38b85af677262':
+        ref: 'v4.4.0'
+        commit: 'sha1-11d5960a326750d5838078e36cf38b85af677262'
+        owner_id: 44036562
+        repo_id: 197814629
+    'hyperpolymath/a2ml-ecosystem@aa4b836bd969df2bc58128cb8e3d20bbc88d5e79':
+        ref: 'main'
+        commit: 'sha1-aa4b836bd969df2bc58128cb8e3d20bbc88d5e79'
+        owner_id: 6759885
+        repo_id: 1275649586
+    'hyperpolymath/smtp-notify-action@ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7':
+        ref: 'v0.2.0'
+        commit: 'sha1-ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7'
+        owner_id: 6759885
+        repo_id: 1352485172
diff --git a/.github/workflows/anchor-drift.yml b/.github/workflows/anchor-drift.yml
index 6233ccf..c7f2170 100644
--- a/.github/workflows/anchor-drift.yml
+++ b/.github/workflows/anchor-drift.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Anchor Drift
 
 on:
diff --git a/.github/workflows/label-triage.yml b/.github/workflows/label-triage.yml
index 9886e92..fc79947 100644
--- a/.github/workflows/label-triage.yml
+++ b/.github/workflows/label-triage.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Label Triage
 
 # Classify newly-filed issues against the estate label taxonomy.
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index c80b676..af34c6b 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Labels
 
 # Applies the canonical estate label set from .github/labels.json.
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 0689291..80c6942 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Dormant push-email notification. ARMED by setting the repo variable
 # PUSH_EMAIL_ENABLED=true (the single on/off switch). Addresses are pre-filled;
 # sending needs the org SMTP secrets (SMTP_HOST/PORT/USER/PASS). Inherited by
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index d325a5c..1ba0bdb 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Calls the estate's shared secret scanner (gitleaks + rust-secrets +
 # shell-secrets). Added because this repository had NO leak scanning at all.
 #
diff --git a/.github/workflows/validate-action-tests.yml b/.github/workflows/validate-action-tests.yml
index 0d747db..ee19b83 100644
--- a/.github/workflows/validate-action-tests.yml
+++ b/.github/workflows/validate-action-tests.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Validate K9 action
 
 on: