diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index c51c1805..7c72e44d 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -49,8 +49,10 @@ jobs:
           poetry run bash "../../scripts/run-tests.sh"
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           env_vars: OS,PYTHON_VERSION,PYDANTIC_VERSION
           files: ./tests/coverage.xml
           flags: unittests
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}