diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fcdd85ce..ddae5af3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -130,7 +130,9 @@ jobs:
         run: python -m pytest -ra --cov=vector --ignore tests/test_notebooks.py .
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v3.1.5
+        uses: codecov/codecov-action@v4.0.1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
 
   discheck:
     runs-on: ubuntu-latest