diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b6193cf..485cb1a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -128,7 +128,7 @@ jobs:
           key: nuget-${{ runner.os }}-${{ hashFiles('**/*.csproj', '**/*.props') }}
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@v4.37.3
         with:
           languages: csharp
           queries: security-and-quality
@@ -140,7 +140,7 @@ jobs:
         run: dotnet build --configuration Release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@v4.37.3
 
   # ═══════════════════════════════════════════════
   # JOB 3: DEPENDENCY REVIEW (solo PR)
@@ -296,7 +296,7 @@ jobs:
           exit-code: 0
 
       - name: Upload Trivy SARIF report
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@v4.37.3
         with:
           sarif_file: trivy-results.sarif
           category: trivy