diff --git a/.github/workflows/test-win.yml b/.github/workflows/test-win.yml
index f0c5963b..967dd6de 100644
--- a/.github/workflows/test-win.yml
+++ b/.github/workflows/test-win.yml
@@ -71,3 +71,4 @@ jobs:
         if: ${{ !cancelled() }}
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
+          flags: windows