diff --git a/.zuul.yaml b/.zuul.yaml
index b510b849..2d2b2467 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -16,11 +16,13 @@
         - nodejs-npm-run-lint:
             vars:
               node_version: 4
+            nodeset: ubuntu-xenial
             required-projects:
               - openstack/horizon
         - nodejs-npm-run-test:
             vars:
               node_version: 4
+            nodeset: ubuntu-xenial
             required-projects:
               - openstack/horizon
     gate:
@@ -32,11 +34,13 @@
         - nodejs-npm-run-lint:
             vars:
               node_version: 4
+            nodeset: ubuntu-xenial
             required-projects:
               - openstack/horizon
         - nodejs-npm-run-test:
             vars:
               node_version: 4
+            nodeset: ubuntu-xenial
             required-projects:
               - openstack/horizon
 
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 07b73d01..4d604518 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -28,7 +28,7 @@ fixtures==3.0.0
 flake8==2.5.5
 futurist==1.6.0
 hacking==0.12.0
-horizon==13.0.0
+horizon==14.0.0.0b3
 idna==2.6
 imagesize==1.0.0
 iso8601==0.1.12