diff --git a/jenkins/jobs/horizon.yaml b/jenkins/jobs/horizon.yaml
index e2dde31750..53542f9b5b 100644
--- a/jenkins/jobs/horizon.yaml
+++ b/jenkins/jobs/horizon.yaml
@@ -55,6 +55,7 @@
       - link-logs
       - net-info
       - devstack-checkout
+      - firefox-install
       - xvfb-install
       - shell: |
           #!/bin/bash -xe
diff --git a/jenkins/jobs/macros.yaml b/jenkins/jobs/macros.yaml
index 44ccaa58ae..38be052397 100644
--- a/jenkins/jobs/macros.yaml
+++ b/jenkins/jobs/macros.yaml
@@ -88,6 +88,13 @@
           sudo apt-get update
           sudo apt-get install -y xvfb
 
+- builder:
+    name: firefox-install
+    builders:
+      - shell: |
+          sudo apt-get update
+          sudo apt-get install -y firefox
+
 - builder:
     name: uninstall-puppet
     builders: