diff --git a/.zuul.yaml b/.zuul.yaml
index 00db3031..dcc2f532 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -76,7 +76,7 @@
 
 - job:
     name: python-tempestconf-tempest-packstack-admin
-    parent: packstack-base
+    parent: packstack-allinone
     description: |
       Tempest job for python-tempestconf on a packstack environment as the admin user.
     required-projects:
@@ -101,7 +101,7 @@
 
 - job:
     name: python-tempestconf-tempest-packstack-demo
-    parent: packstack-base
+    parent: packstack-allinone
     description: |
       Tempest job for python-tempestconf on a packstack environment as the demo user.
     required-projects:
diff --git a/playbooks/python-tempestconf-tempest-packstack.yaml b/playbooks/python-tempestconf-tempest-packstack.yaml
index 648813ef..33429683 100644
--- a/playbooks/python-tempestconf-tempest-packstack.yaml
+++ b/playbooks/python-tempestconf-tempest-packstack.yaml
@@ -39,3 +39,5 @@
     - name: Run Tempest Tests
       include_role:
         name: run-tempest
+      vars:
+        tempest_concurrency: 2