diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ff9e970..6725aa4 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -21,10 +21,17 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: '3.11'
-          sphinx: '7.1.0'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install .
+          python -m pip install -r requirements-dev.txt
 
       - name: Generate packaged manual pages
         run: sphinx-build -b man -W docs mons/man -d docs/_build
+        env:
+          TZ: UTC
 
       - name: Install pypa/build
         run: python -m pip install build --user
diff --git a/tests/integration/test_overlay.py b/tests/integration/test_overlay.py
index e7eeefc..8c50aef 100644
--- a/tests/integration/test_overlay.py
+++ b/tests/integration/test_overlay.py
@@ -18,6 +18,7 @@ def test_in_namespace(monkeypatch: pytest.MonkeyPatch):
         assert overlayfs.in_namespace()
 
 
+@pytest.mark.xfail(reason="Fails if run from within a namespace", raises=AssertionError)
 def test_not_in_namespace():
     assert not overlayfs.in_namespace()