diff --git a/.github/workflows/actions.lock b/.github/workflows/actions.lock
index e6e4bba..ab7400d 100644
--- a/.github/workflows/actions.lock
+++ b/.github/workflows/actions.lock
@@ -1,112 +1,87 @@
 # 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'
+version: 'v0.0.3'
 workflows:
     '.github/workflows/boj-build.yml':
-        - 'actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
     '.github/workflows/casket-pages.yml':
-        - 'actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830'
-        - 'actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11'
-        - 'actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b'
-        - 'actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e'
-        - 'actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa'
-        - 'haskell-actions/setup@ec49483bfc012387b227434aba94f59a6ecd0900'
+        - 'actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d'
+        - 'actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346'
+        - 'actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9'
+        - 'haskell-actions/setup@0f8e8c99d88aeb3fbfd523f1ef2c6f762d10d64d'
     '.github/workflows/codeql.yml':
-        - 'actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd'
-        - 'github/codeql-action@c6f931105cb2c34c8f901cc885ba1e2e259cf745'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'github/codeql-action@9b3254085494b55a0f7c4c2b3d2d52cc712ce370'
     '.github/workflows/container-policy.yml':
-        - 'actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
     '.github/workflows/dependabot-automerge.yml':
-        - 'dependabot/fetch-metadata@dbb049abf0d677abbd7f7eee0375145b417fdd34'
+        - 'dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98'
     '.github/workflows/dogfood-gate.yml':
-        - 'actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
     '.github/workflows/generator-generic-ossf-slsa3-publish.yml':
-        - 'actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
     '.github/workflows/instant-sync.yml':
         - 'peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697'
     '.github/workflows/main-estate-audit.yml':
-        - 'actions/checkout@11d5960a326750d5838078e36cf38b85af677262'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
         - 'hyperpolymath/cicd-suite@5a10b72e574ef63855fafd4568a4c178657f3294'
     '.github/workflows/pages.yml':
-        - 'actions/checkout@11d5960a326750d5838078e36cf38b85af677262'
-        - 'actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e'
-        - 'actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346'
+        - 'actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9'
     '.github/workflows/push-email-notify.yml':
-        - 'hyperpolymath/smtp-notify-action@ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7'
+        - 'hyperpolymath/smtp-notify-action@e384daf6167a7a7567642d6a62060106244d2413'
     '.github/workflows/workflow-linter.yml':
-        - 'actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
 dependencies:
-    'actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830':
-        ref: 'v4.3.0'
-        commit: 'sha1-0057852bfaa89a56745cba8c7296529d2fc39830'
+    'actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9':
+        ref: 'v6.1.0'
+        commit: 'sha1-55cc8345863c7cc4c66a329aec7e433d2d1c52a9'
         owner_id: 44036562
         repo_id: 215566462
-    'actions/checkout@11d5960a326750d5838078e36cf38b85af677262':
-        ref: 'v4.4.0'
-        commit: 'sha1-11d5960a326750d5838078e36cf38b85af677262'
+    'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1':
+        ref: 'v7.0.1'
+        commit: 'sha1-3d3c42e5aac5ba805825da76410c181273ba90b1'
         owner_id: 44036562
         repo_id: 197814629
-    'actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5':
-        ref: 'v4.3.1'
-        commit: 'sha1-34e114876b0b11c390a56381ad16ebd13914f8d5'
-        owner_id: 44036562
-        repo_id: 197814629
-    'actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332':
-        ref: 'v4.1.7'
-        commit: 'sha1-692973e3d937129bcbf40652eb9f2f61becf3332'
-        owner_id: 44036562
-        repo_id: 197814629
-    'actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8':
-        ref: 'v6.0.1'
-        commit: 'sha1-8e8c483db84b4bee98b60c0593521ed34d9990e8'
-        owner_id: 44036562
-        repo_id: 197814629
-    'actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11':
-        ref: 'v4.1.1'
-        commit: 'sha1-b4ffde65f46336ab88eb53be808477a3936bae11'
-        owner_id: 44036562
-        repo_id: 197814629
-    'actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd':
-        ref: 'v6.0.2'
-        commit: 'sha1-de0fac2e4500dabe0009e67214ff5f5447ce83dd'
-        owner_id: 44036562
-        repo_id: 197814629
-    'actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b':
-        ref: 'v5.0.0'
-        commit: 'sha1-983d7736d9b0ae728b81ab479565c72886d7745b'
+    'actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d':
+        ref: 'v6.0.0'
+        commit: 'sha1-45bfe0192ca1faeb007ade9deae92b16b8254a0d'
         owner_id: 44036562
         repo_id: 513659658
-    'actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e':
-        ref: 'v4.0.5'
-        commit: 'sha1-d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e'
+    'actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346':
+        ref: 'v5.0.1'
+        commit: 'sha1-368f82528645a54fb793d4d04e342629a3f51346'
         owner_id: 44036562
         repo_id: 438112499
-    'actions/upload-artifact@v4':
-        ref: 'v4'
-        commit: 'sha1-ea165f8d65b6e75b540449e92b4886f43607fa02'
+    'actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f':
+        ref: 'v7.0.0'
+        commit: 'sha1-bbbca2ddaa5d8feaa63e36b76fdaad77386f024f'
         owner_id: 44036562
         repo_id: 192625955
-    'actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa':
-        ref: 'v3.0.1'
-        commit: 'sha1-56afc609e74202658d3ffba0e8f6dda462b719fa'
+    'actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9':
+        ref: 'v5.0.0'
+        commit: 'sha1-fc324d3547104276b827a68afc52ff2a11cc49c9'
         owner_id: 44036562
         repo_id: 496012378
         uses:
-            - 'actions/upload-artifact@v4'
-    'dependabot/fetch-metadata@dbb049abf0d677abbd7f7eee0375145b417fdd34':
-        ref: 'v2.2.0'
-        commit: 'sha1-dbb049abf0d677abbd7f7eee0375145b417fdd34'
+            - 'actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f'
+    'dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98':
+        ref: 'v3.1.0'
+        commit: 'sha1-25dd0e34f4fe68f24cc83900b1fe3fe149efef98'
         owner_id: 27347476
         repo_id: 371068214
-    'github/codeql-action@c6f931105cb2c34c8f901cc885ba1e2e259cf745':
-        ref: 'v4.34.0'
-        commit: 'sha1-c6f931105cb2c34c8f901cc885ba1e2e259cf745'
+    'github/codeql-action@9b3254085494b55a0f7c4c2b3d2d52cc712ce370':
+        ref: 'v4.39.1'
+        commit: 'sha1-9b3254085494b55a0f7c4c2b3d2d52cc712ce370'
         owner_id: 9919
         repo_id: 259445878
-    'haskell-actions/setup@ec49483bfc012387b227434aba94f59a6ecd0900':
-        ref: 'v2.7.5'
-        commit: 'sha1-ec49483bfc012387b227434aba94f59a6ecd0900'
+    'haskell-actions/setup@0f8e8c99d88aeb3fbfd523f1ef2c6f762d10d64d':
+        ref: 'v2.12.1'
+        commit: 'sha1-0f8e8c99d88aeb3fbfd523f1ef2c6f762d10d64d'
         owner_id: 75048950
         repo_id: 623796603
     'hyperpolymath/cicd-suite@5a10b72e574ef63855fafd4568a4c178657f3294':
@@ -127,9 +102,9 @@ dependencies:
         commit: 'sha1-2155aa26a21758f2ba119f61bc7e0e1981c106fb'
         owner_id: 6759885
         repo_id: 1275650185
-    'hyperpolymath/smtp-notify-action@ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7':
-        ref: 'v0.2.0'
-        commit: 'sha1-ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7'
+    'hyperpolymath/smtp-notify-action@e384daf6167a7a7567642d6a62060106244d2413':
+        ref: 'v0.5.1'
+        commit: 'sha1-e384daf6167a7a7567642d6a62060106244d2413'
         owner_id: 6759885
         repo_id: 1352485172
     'peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697':
diff --git a/.github/workflows/boj-build.yml b/.github/workflows/boj-build.yml
index d463e57..c90bf3a 100644
--- a/.github/workflows/boj-build.yml
+++ b/.github/workflows/boj-build.yml
@@ -11,7 +11,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Trigger BoJ Server (Casket/ssg-mcp)
         run: |
           # Send a secure trigger to boj-server to build this repository
diff --git a/.github/workflows/casket-pages.yml b/.github/workflows/casket-pages.yml
index c1e993b..8c8d4aa 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -18,19 +18,19 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Checkout casket-ssg
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           repository: hyperpolymath/casket-ssg
           path: .casket-ssg
       - name: Setup GHCup
-        uses: haskell-actions/setup@ec49483bfc012387b227434aba94f59a6ecd0900 # v2
+        uses: haskell-actions/setup@0f8e8c99d88aeb3fbfd523f1ef2c6f762d10d64d # v2
         with:
           ghc-version: '9.8.2'
           cabal-version: '3.10'
       - name: Cache Cabal
-        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: |
             ~/.cabal/packages
@@ -88,9 +88,9 @@ jobs:
           cd .casket-ssg && cabal run casket-ssg -- build ../.site-src ../_site
           touch ../_site/.nojekyll
       - name: Setup Pages
-        uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5
+        uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
         with:
           path: '_site'
   deploy:
@@ -103,4 +103,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4
+        uses: actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346 # v5.0.1
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 1a8b12b..91b0527 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -32,13 +32,13 @@ jobs:
             build-mode: none
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@c6f931105cb2c34c8f901cc885ba1e2e259cf745 # v3
+        uses: github/codeql-action/init@9b3254085494b55a0f7c4c2b3d2d52cc712ce370 # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@c6f931105cb2c34c8f901cc885ba1e2e259cf745 # v3
+        uses: github/codeql-action/analyze@9b3254085494b55a0f7c4c2b3d2d52cc712ce370 # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/container-policy.yml b/.github/workflows/container-policy.yml
index 9471bb8..ae6b222 100644
--- a/.github/workflows/container-policy.yml
+++ b/.github/workflows/container-policy.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - name: Enforce container policy
         run: |
           # Block new Dockerfiles
diff --git a/.github/workflows/dependabot-automerge.yml b/.github/workflows/dependabot-automerge.yml
index 81b7bd3..3b7756b 100644
--- a/.github/workflows/dependabot-automerge.yml
+++ b/.github/workflows/dependabot-automerge.yml
@@ -52,7 +52,7 @@ jobs:
     steps:
       - name: Fetch Dependabot metadata
         id: meta
-        uses: dependabot/fetch-metadata@dbb049abf0d677abbd7f7eee0375145b417fdd34 # v2.2.0
+        uses: dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98 # v3.1.0
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
       # --- Policy gate -------------------------------------------------------
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index af9b201..a4791fb 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Check for A2ML files
         id: detect
         run: |
@@ -60,7 +60,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Check for K9 files
         id: detect
         run: |
@@ -102,7 +102,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Scan for invisible characters
         id: lint
         run: |
@@ -191,7 +191,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Check for Groove manifest
         id: groove
         run: |
@@ -248,7 +248,7 @@ jobs:
     if: always()
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Generate dogfooding scorecard
         run: |
           SCORE=0
diff --git a/.github/workflows/generator-generic-ossf-slsa3-publish.yml b/.github/workflows/generator-generic-ossf-slsa3-publish.yml
index a05cd96..ef98aba 100644
--- a/.github/workflows/generator-generic-ossf-slsa3-publish.yml
+++ b/.github/workflows/generator-generic-ossf-slsa3-publish.yml
@@ -26,7 +26,7 @@ jobs:
     outputs:
       digests: ${{ steps.hash.outputs.digests }}
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       # ========================================================
       #
       # Step 1: Build your artifacts.
@@ -60,7 +60,7 @@ jobs:
       actions: read # To read the workflow path.
       id-token: write # To sign the provenance.
       contents: write # To add assets to a release.
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@68bad40844440577b33778c9f29077a3388838e9 # v1.4.0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@f7dd8c54c2067bafc12ca7a55595d5ee9b75204a # v2.1.0
     with:
       base64-subjects: "${{ needs.build.outputs.digests }}"
       upload-assets: true # Optional: Upload to a new release
diff --git a/.github/workflows/main-estate-audit.yml b/.github/workflows/main-estate-audit.yml
old mode 100755
new mode 100644
index 893db8c..4ee5a2f
--- a/.github/workflows/main-estate-audit.yml
+++ b/.github/workflows/main-estate-audit.yml
@@ -12,7 +12,7 @@ jobs:
   estate-audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262  # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
       
       - name: Required Files Gate
         uses: hyperpolymath/cicd-suite/actions/required-files-check@5a10b72e574ef63855fafd4568a4c178657f3294  # main
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 4bf9199..d96a4ac 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -20,9 +20,9 @@ jobs:
       image: ghcr.io/stefan-hoeck/idris2-pack@sha256:f0758996a931fb35d9ecb1de273c4d59dabe2a09b433afc7e357f65a08b7e1ff
     steps:
       - name: Checkout Site
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Checkout Ddraig SSG
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: hyperpolymath/ddraig-ssg
           path: .ddraig-ssg
@@ -39,7 +39,7 @@ jobs:
           fi
           ./.ddraig-ssg/build/exec/ddraig build src _site https://hyperpolymath.github.io/${GITHUB_REPOSITORY#*/}
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
         with:
           path: '_site'
   deploy:
@@ -52,4 +52,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4
+        uses: actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346 # v5.0.1
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 80c6942..d5cd2a9 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -40,7 +40,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Send push notification email
-        uses: hyperpolymath/smtp-notify-action@ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7 # v0.2.0
+        uses: hyperpolymath/smtp-notify-action@e384daf6167a7a7567642d6a62060106244d2413 # v0.5.1
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index bdcb8d1..47f76df 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Check SPDX headers
         run: |
           errors=0