diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b957d2c8..8e6bdd12 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -31,13 +31,13 @@ jobs:
       # github/codeql-action is GitHub-maintained; the v3 major tag is tracked by
       # Dependabot (see .github/dependabot.yml) and may be pinned to a SHA later.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@v4.37.3
         with:
           languages: javascript-typescript
           queries: security-and-quality
           config-file: .github/codeql/codeql-config.yml
 
       - name: Perform CodeQL analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@v4.37.3
         with:
           category: "/language:javascript-typescript"
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 052e9590..7bf4e068 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -43,6 +43,6 @@ jobs:
           retention-days: 5
 
       - name: Upload to code scanning
-        uses: github/codeql-action/upload-sarif@v4
+        uses: github/codeql-action/upload-sarif@v4.37.3
         with:
           sarif_file: results.sarif
diff --git a/action.yml b/action.yml
index 7bb387c9..1ad3e216 100644
--- a/action.yml
+++ b/action.yml
@@ -101,14 +101,14 @@ runs:
 
     - name: Upload SARIF to code scanning
       if: ${{ always() && inputs.upload-sarif == 'true' }}
-      uses: github/codeql-action/upload-sarif@v3
+      uses: github/codeql-action/upload-sarif@v4.37.3
       with:
         sarif_file: ${{ inputs.sarif-file }}
         category: modonome-gate-integrity
 
     - name: Upload Risk Surface Guard SARIF to code scanning
       if: ${{ always() && inputs.upload-sarif == 'true' && inputs.risk-surface != 'off' }}
-      uses: github/codeql-action/upload-sarif@v4
+      uses: github/codeql-action/upload-sarif@v4.37.3
       with:
         sarif_file: ${{ inputs.risk-surface-sarif-file }}
         category: modonome-risk-surface