diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index 353109621..cf0d92140 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -96,6 +96,9 @@ jobs:
     - name: Install Python package and dependencies
       # [docs] contains [tests], which contains [report,tutorial]
       run: |
+        # Work around https://bugs.launchpad.net/lxml/+bug/2035206
+        pip install "lxml != 4.9.3"
+
         pip install .[docs]
 
         # commented: use with "pandas-version" in the matrix, above