diff --git a/.github/workflows/boj-build.yml b/.github/workflows/boj-build.yml
index 942a4dc..70eb94e 100644
--- a/.github/workflows/boj-build.yml
+++ b/.github/workflows/boj-build.yml
@@ -10,7 +10,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - 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 2c04d4a..202428b 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -21,22 +21,22 @@ jobs:
     timeout-minutes: 45
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4
 
       - name: Checkout casket-ssg
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4
         with:
           repository: hyperpolymath/casket-ssg
           path: .casket-ssg
 
       - name: Setup GHCup
-        uses: haskell-actions/setup@ec49483bfc012387b227434aba94f59a6ecd0900 # v2
+        uses: haskell-actions/setup@cd0d9bdd65b20557f41bea4dbe43d0b5fbbfe553 # v2
         with:
           ghc-version: '9.8.2'
           cabal-version: '3.10'
 
       - name: Cache Cabal
-        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: |
             ~/.cabal/packages
@@ -98,10 +98,10 @@ jobs:
           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'
 
@@ -115,4 +115,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4
+        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c433ac9..ce52656 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -38,15 +38,15 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@c6f931105cb2c34c8f901cc885ba1e2e259cf745 # v3
+        uses: github/codeql-action/init@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # 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@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index 9e0baf1..3196fe8 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Check for A2ML files
         id: detect
@@ -71,7 +71,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Check for K9 files
         id: detect
@@ -121,7 +121,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Scan for invisible characters
         id: lint
@@ -186,7 +186,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Check for Groove manifest
         id: groove
@@ -245,7 +245,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Check and validate eclexiaiser manifest
         id: eclex
@@ -311,7 +311,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Generate dogfooding scorecard
         run: |
diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index 86850a0..b49d781 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -48,14 +48,14 @@ jobs:
           - 8529:8529
 
     steps:
-    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
     - name: Set up Elixir
-      uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.20.4
+      uses: erlef/setup-beam@fc68ffb90438ef2936bbb3251622353b3dcb2f93 # v1.24.0
       with:
         elixir-version: '1.18.2'
         otp-version: '27.2.1'
     - name: Restore dependencies cache
-      uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5
+      uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
       with:
         path: deps
         key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
diff --git a/.github/workflows/generator-generic-ossf-slsa3-publish.yml b/.github/workflows/generator-generic-ossf-slsa3-publish.yml
index 8918cf1..e7ca0f2 100644
--- a/.github/workflows/generator-generic-ossf-slsa3-publish.yml
+++ b/.github/workflows/generator-generic-ossf-slsa3-publish.yml
@@ -28,7 +28,7 @@ jobs:
       digests: ${{ steps.hash.outputs.digests }}
 
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       # ========================================================
       #
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index 071f2c1..df82c5d 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0  # Full history for better pattern analysis
 
@@ -106,7 +106,7 @@ jobs:
           echo "- Medium: $MEDIUM" >> $GITHUB_STEP_SUMMARY
 
       - name: Upload findings artifact
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: hypatia-findings
           path: hypatia-findings.json
@@ -242,7 +242,7 @@ jobs:
           always() &&
           (github.event_name != 'pull_request' ||
            github.event.pull_request.head.repo.fork != true)
-        uses: github/codeql-action/upload-sarif@0d579ffd059c29b07949a3cce3983f0780820c98 # v3.28.1
+        uses: github/codeql-action/upload-sarif@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v3.28.1
         with:
           sarif_file: hypatia.sarif
           # Distinct category so Hypatia results coexist with CodeQL's
@@ -382,7 +382,7 @@ jobs:
         # the pull-requests: write permission above: a token/API hiccup or
         # a fork PR (read-only token) skips the comment, not the check.
         continue-on-error: true
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v7
+        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v7
         with:
           script: |
             const fs = require('fs');
diff --git a/.github/workflows/rescript-deno-ci.yml b/.github/workflows/rescript-deno-ci.yml
index 20adf4a..a9d8c07 100644
--- a/.github/workflows/rescript-deno-ci.yml
+++ b/.github/workflows/rescript-deno-ci.yml
@@ -11,8 +11,8 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
-      - uses: denoland/setup-deno@e95548e56dfa95d4e1a28d6f422fafe75c4c26fb # v2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: denoland/setup-deno@667a34cdef165d8d2b2e98dde39547c9daac7282 # v2
         with:
           deno-version: v2.x
 
@@ -33,8 +33,8 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
-      - uses: denoland/setup-deno@e95548e56dfa95d4e1a28d6f422fafe75c4c26fb # v2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: denoland/setup-deno@667a34cdef165d8d2b2e98dde39547c9daac7282 # v2
       - name: Check permissions
         run: |
           # Audit for dangerous permissions
diff --git a/.github/workflows/scorecard-enforcer.yml b/.github/workflows/scorecard-enforcer.yml
index c37d76c..975c444 100644
--- a/.github/workflows/scorecard-enforcer.yml
+++ b/.github/workflows/scorecard-enforcer.yml
@@ -28,7 +28,7 @@ jobs:
       security-events: write
       id-token: write  # For OIDC
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           persist-credentials: false
 
@@ -40,7 +40,7 @@ jobs:
           publish_results: true
 
       - name: Upload SARIF
-        uses: github/codeql-action/upload-sarif@c6f931105cb2c34c8f901cc885ba1e2e259cf745 # v4
+        uses: github/codeql-action/upload-sarif@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4
         with:
           sarif_file: results.sarif
 
@@ -64,7 +64,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Check SECURITY.md exists
         run: |
diff --git a/.github/workflows/trustfile.yml b/.github/workflows/trustfile.yml
index 4144373..034b91c 100644
--- a/.github/workflows/trustfile.yml
+++ b/.github/workflows/trustfile.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Validate A2ML YAML structure
         run: |
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index 619f287..08a1058 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4
 
       - name: Check SPDX headers
         run: |