diff --git a/doc/admin-guide/source/firewalls-default-ports.rst b/doc/admin-guide/source/firewalls-default-ports.rst
index 194ff21e21..2d7ac314da 100644
--- a/doc/admin-guide/source/firewalls-default-ports.rst
+++ b/doc/admin-guide/source/firewalls-default-ports.rst
@@ -73,6 +73,9 @@ ports that each OpenStack service uses:
    * - Orchestration AWS CloudWatch-compatible API (``openstack-heat-api-cloudwatch``)
      - 8003
      -
+   * - Root Cause Analysis service (``Vitrage``)
+     - 8999
+     -
    * - Telemetry (``ceilometer``)
      - 8777
      - publicurl and adminurl