diff --git a/.github/workflows/run-tox.yml b/.github/workflows/run-tox.yml
index abe871a..2de7633 100644
--- a/.github/workflows/run-tox.yml
+++ b/.github/workflows/run-tox.yml
@@ -67,12 +67,13 @@ jobs:
       with:
         report_paths: 'reports/pytest-*.xml'
     - name: Upload to codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         fail_ci_if_error: false
         directory: ./reports
         flags: pytest
         name: "luigi-tools-py${{ matrix.python-version }}-${{ matrix.min_versions }}"
+        token: ${{ secrets.CODECOV_TOKEN }}
     - name: Upload test artifacts
       uses: actions/upload-artifact@v4
       if: always()