diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0eb45c499..ff9ef4663 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,7 +48,7 @@ jobs:
       run: pip install nose
     - name: Install yourbase
       if: ${{ matrix.python-version == 3.9 }}
-      run: pip install yourbase; pip install pytest
+      run: pip install yourbase; pip install --force-reinstall coverage==6.1; pip install pytest
     - name: Install nose (Jython)
       if: ${{ matrix.python-impl == 'jython' }}
       # Working around deprecation of support for non-SNI clients at PyPI CDN (see https://status.python.org/incidents/hzmjhqsdjqgb)