diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c8b2cd3..ddb3235 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -80,7 +80,7 @@ jobs:
           python scripts/benchmark --output benchmark-release.json --verbose
 
       - name: Upload benchmark results
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: benchmark-results-release
           path: benchmark-release.json
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index e67595e..b00e8af 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -125,7 +125,7 @@ jobs:
 
       # Upload security scan results
       - name: Upload security scan results
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: security-scan-results