diff --git a/reference/projects.yaml b/reference/projects.yaml
index a2ebaa79c..c4f240692 100644
--- a/reference/projects.yaml
+++ b/reference/projects.yaml
@@ -1679,6 +1679,9 @@ Infrastructure:
     zuul-packaging:
       repos:
         - openstack-infra/zuul-packaging
+    zuul-sphinx:
+      repos:
+        - openstack-infra/zuul-sphinx
 
 ironic:
   ptl: