diff --git a/.github/workflows/ci-core.yml b/.github/workflows/ci-core.yml
index 0f6a5e4e2..4ee4f4a59 100644
--- a/.github/workflows/ci-core.yml
+++ b/.github/workflows/ci-core.yml
@@ -33,6 +33,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: "coverage-artifact-${{ matrix.python-version}}"
+          include-hidden-files: true
           path: ".coverage.*"
           retention-days: 1
       - name: Run doctests