diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8fb7385..0b23826 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -44,7 +44,9 @@ jobs:
         run: python3 -m pytest  --cov-report=xml
       - name: Upload Coverage to Codecov
         if: ${{ !github.event.act }}
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
           fail_ci_if_error: false
           verbose: true