diff --git a/.zuul.yaml b/.zuul.yaml
index e16794bcb..c82467aee 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -64,6 +64,7 @@
         Q_ML2_TENANT_NETWORK_TYPE: vxlan
         Q_ML2_PLUGIN_MECHANISM_DRIVERS: openvswitch
       devstack_plugins:
+        neutron: https://opendev.org/openstack/neutron
         neutron-vpnaas: https://opendev.org/openstack/neutron-vpnaas
 
 - job:
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 44c70fafc..7a7c54b6f 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -11,7 +11,7 @@ contextlib2==0.4.0
 coverage==4.0
 cryptography==2.7
 debtcollector==1.2.0
-decorator==3.4.0
+decorator==4.1.0
 deprecation==1.0
 docutils==0.11
 dogpile.cache==0.6.5