diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 6239a381..2821b364 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -93,6 +93,8 @@ jobs:
           cd src/backend
           pytest --cov=.
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
+          file: src/backend/coverage.xml
+          fail_ci_if_error: true