diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 9e889c1..9324f1b 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -39,12 +39,12 @@ jobs:
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v3
+        uses: github/codeql-action/init@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v3
+        uses: github/codeql-action/analyze@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index 500d27b..41ab8d8 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -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@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v3.28.1
+        uses: github/codeql-action/upload-sarif@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v3.28.1
         with:
           sarif_file: hypatia.sarif
           # Distinct category so Hypatia results coexist with CodeQL's
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index a12772a..abc1737 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -37,6 +37,6 @@ jobs:
           results_format: sarif
 
       - name: Upload results
-        uses: github/codeql-action/upload-sarif@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v3.31.8
+        uses: github/codeql-action/upload-sarif@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v3.31.8
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index e3faee1..b107b89 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -28,7 +28,7 @@ jobs:
           fetch-depth: 0  # Full history for scanning
 
       - name: TruffleHog Secret Scan
-        uses: trufflesecurity/trufflehog@00155c9dc586f34d189adc83d3ac2698c2ec551f # v3
+        uses: trufflesecurity/trufflehog@27b0417c16317ca9a472a9a8092acce143b49c55 # v3
         with:
           # The v3 action injects --fail automatically on pull_request events.
           # Passing --fail here triggers "flag 'fail' cannot be repeated".