diff --git a/.github/workflows/gateway-conformance.yml b/.github/workflows/gateway-conformance.yml
index 32a5638..0e2c535 100644
--- a/.github/workflows/gateway-conformance.yml
+++ b/.github/workflows/gateway-conformance.yml
@@ -148,13 +148,13 @@ jobs:
         run: cat output.md >> $GITHUB_STEP_SUMMARY
       - name: Upload HTML report
         if: failure() || success()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.backend }}_gateway-conformance.html
           path: output.html
       - name: Upload JSON report
         if: failure() || success()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.backend }}_gateway-conformance.json
           path: output.json