diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 3ea7f63..45c36a7 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -26,7 +26,9 @@ jobs:
       - run: npm install
       - run: npm test
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true
-          flags: unittests
\ No newline at end of file
+          flags: unittests
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}