diff --git a/.github/workflows/actions.lock b/.github/workflows/actions.lock
index c23744e..987b6fd 100644
--- a/.github/workflows/actions.lock
+++ b/.github/workflows/actions.lock
@@ -3,13 +3,6 @@
 # Docs: https://gh.io/actions-lockfile
 version: 'v0.0.2'
 workflows:
-    '.github/workflows/governance.yml': []
-    '.github/workflows/hypatia-scan.yml': []
-    '.github/workflows/label-triage.yml': []
-    '.github/workflows/labels.yml': []
-    '.github/workflows/mirror.yml': []
-    '.github/workflows/scorecard.yml': []
-    '.github/workflows/secret-scanner.yml': []
     '.github/workflows/boj-build.yml':
         - 'actions/checkout@v7.0.1'
     '.github/workflows/casket-pages.yml':
@@ -21,13 +14,18 @@ workflows:
         - 'haskell-actions/setup@v2.12.0'
     '.github/workflows/codeql.yml':
         - 'actions/checkout@v7.0.1'
-        - 'github/codeql-action@v4.37.8'
+        - 'github/codeql-action@v4.37.9'
     '.github/workflows/dependabot-automerge.yml':
         - 'dependabot/fetch-metadata@v3.1.0'
     '.github/workflows/dogfood-gate.yml':
         - 'actions/checkout@v7.0.1'
+    '.github/workflows/governance.yml': []
+    '.github/workflows/hypatia-scan.yml': []
     '.github/workflows/instant-sync.yml':
         - 'peter-evans/repository-dispatch@v4.0.1'
+    '.github/workflows/label-triage.yml': []
+    '.github/workflows/labels.yml': []
+    '.github/workflows/mirror.yml': []
     '.github/workflows/push-email-notify.yml':
         - 'dawidd6/action-send-mail@v3.12.0'
     '.github/workflows/release.yml':
@@ -36,6 +34,8 @@ workflows:
         - 'softprops/action-gh-release@v3.0.2'
     '.github/workflows/rhodibot.yml':
         - 'actions/checkout@v7.0.1'
+    '.github/workflows/scorecard.yml': []
+    '.github/workflows/secret-scanner.yml': []
     '.github/workflows/static-analysis-gate.yml':
         - 'actions/checkout@v7.0.1'
         - 'actions/download-artifact@v8.0.1'
@@ -99,9 +99,9 @@ dependencies:
         commit: 'sha1-54075bcc5e249e4758d363f27d099f55d843f124'
         owner_id: 47606891
         repo_id: 331103973
-    'github/codeql-action@v4.37.8':
-        ref: 'v4.37.8'
-        commit: 'sha1-db488ddef3bf6cb639b32c2e9a7c0a7ea8271d28'
+    'github/codeql-action@v4.37.9':
+        ref: 'v4.37.9'
+        commit: 'sha1-cdf488f595d80d6e07e03d4674febd5ab45fa938'
         owner_id: 9919
         repo_id: 259445878
     'haskell-actions/setup@v2.12.0':
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index dc10520..2ad0428 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.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.
 # This workflow is managed by gh actions-lock.
@@ -40,12 +41,12 @@ jobs:
         uses: actions/checkout@v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4.37.8
+        uses: github/codeql-action/init@v4.37.9
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4.37.8
+        uses: github/codeql-action/analyze@v4.37.9
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 02d4850..160f872 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@v3.12.0
+        uses: dawidd6/action-send-mail@94de994a9f6fffee200243214e17002e2920bb59 # v18
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}