diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 33f1437..0663348 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -18,6 +18,7 @@ jobs:
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3
         with:
+          token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
           files: lcov.info
           fail_ci_if_error: true