diff --git a/zuul.d/functional-jobs.yaml b/zuul.d/functional-jobs.yaml
index 6415319d..b8584ade 100644
--- a/zuul.d/functional-jobs.yaml
+++ b/zuul.d/functional-jobs.yaml
@@ -55,6 +55,7 @@
         NEUTRON_DEPLOY_MOD_WSGI: true
         NOVA_BRANCH: stable/ussuri
         Q_USE_ROOTWRAP: false
+        SWIFT_BRANCH: stable/ussuri
         TEMPEST_PLUGINS: /opt/stack/barbican-tempest-plugin /opt/stack/heat-tempest-plugin
           /opt/stack/magnum-tempest-plugin /opt/stack/tempest-horizon
       docker_use_buildset_registry: true