diff --git a/zuul.d/ovsdbapp-jobs.yaml b/zuul.d/ovsdbapp-jobs.yaml
index 6f9dc8ba..351f144c 100644
--- a/zuul.d/ovsdbapp-jobs.yaml
+++ b/zuul.d/ovsdbapp-jobs.yaml
@@ -5,3 +5,4 @@
     vars:
       devstack_localrc:
         LIBS_FROM_GIT: ovsdbapp
+        USE_PYTHON3: true
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index fba40c6a..c26849f1 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -8,9 +8,11 @@
       jobs:
         - openstack-tox-lower-constraints
         - openstack-tox-functional
+        - openstack-tox-functional-py36
         - ovsdbapp-tempest-dsvm-networking-ovn-ovs-release
     gate:
       jobs:
         - openstack-tox-lower-constraints
         - openstack-tox-functional
+        - openstack-tox-functional-py36
         - ovsdbapp-tempest-dsvm-networking-ovn-ovs-release