diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 80e0e62..07073b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -140,6 +140,10 @@ jobs:
   security-scan:
     name: Security Scan
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+      actions: read
     steps:
       - uses: actions/checkout@v4
 
@@ -155,7 +159,7 @@ jobs:
           output: 'trivy-results.sarif'
 
       - name: Upload Trivy results to GitHub Security
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@v4
         if: always()
         with:
           sarif_file: 'trivy-results.sarif'