diff --git a/reference/programs.yaml b/reference/programs.yaml
index fa31836b2..3a05b1c96 100644
--- a/reference/programs.yaml
+++ b/reference/programs.yaml
@@ -177,6 +177,7 @@ Common Libraries:
     - repo: openstack/oslo.utils
     - repo: openstack/oslo.version
     - repo: openstack/oslo.vmware
+    - repo: openstack/pylockfile
     - repo: openstack/stevedore
     - repo: openstack/taskflow
     - repo: openstack-dev/cookiecutter