diff --git a/.zuul.yaml b/.zuul.yaml
index 51fdf38..059c6a9 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -1,3 +1,3 @@
 - project:
     templates:
-      - build-openstack-sphinx-docs-python3
+      - build-openstack-docs-pti
diff --git a/tox.ini b/tox.ini
index 2d69c45..64ea795 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,6 +22,7 @@ commands = flake8 {posargs}
 commands = {posargs}
 
 [testenv:docs]
+basepython = python3
 deps = -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -W -b html doc/source doc/build/html