diff --git a/test-playbooks/python/tox.ini b/test-playbooks/python/tox.ini
index 8d08fa140..a71264736 100644
--- a/test-playbooks/python/tox.ini
+++ b/test-playbooks/python/tox.ini
@@ -1,6 +1,9 @@
 [tox]
+minversion = 3.2
 envlist = linters
 skipsdist = true
+# Test that we don't break when the requires feature is used
+requires = tox-bindep
 
 [testenv]
 whitelist_externals = sh
diff --git a/test-playbooks/python/tox.yaml b/test-playbooks/python/tox.yaml
index d59317786..6d2cb1e6d 100644
--- a/test-playbooks/python/tox.yaml
+++ b/test-playbooks/python/tox.yaml
@@ -80,7 +80,8 @@
       include_role:
         name: tox
       vars:
-        zuul_work_dir: "{{ zuul.project.src_dir }}/test-playbooks/python/"
+        # Make sure the tox_config_file option works
+        tox_config_file: test-playbooks/python
         tox_envlist: '%s'
         # Make sure we test with verbose output even if the default changes
         tox_extra_args: '-vv'