diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a244d13b17a..f7cfe1bd895 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -95,12 +95,14 @@ jobs:
       - run: python -m pip install 'tox<4'
       - run: tox -e tests
         env:
-          COVERAGE_FILE: .coverage.${{ matrix.python-version }}
+          # Use a non-hidden file name to work around issues uploading hidden
+          # files in `actions/upload-artifact`.
+          COVERAGE_FILE: coverage.tests
       - name: Upload coverage file
         uses: actions/upload-artifact@v3
         with:
           name: coverage
-          path: .coverage.*
+          path: coverage.tests
   Coverage:
     needs: tests
     runs-on: ubuntu-latest
@@ -123,6 +125,8 @@ jobs:
           name: coverage
       - run: python -m pip install 'tox<4'
       - run: tox -e coverage
+        env:
+          COVERAGE_FILE: coverage.tests
   Functests:
     runs-on: ubuntu-latest
     services: