diff --git a/doc/source/plugin-registry.rst b/doc/source/plugin-registry.rst
index b6b4058..00c1255 100644
--- a/doc/source/plugin-registry.rst
+++ b/doc/source/plugin-registry.rst
@@ -173,6 +173,7 @@
 storlets                               `git://git.openstack.org/openstack/storlets <https://git.openstack.org/cgit/openstack/storlets>`__
 stx-config                             `git://git.openstack.org/openstack/stx-config <https://git.openstack.org/cgit/openstack/stx-config>`__
 stx-fault                              `git://git.openstack.org/openstack/stx-fault <https://git.openstack.org/cgit/openstack/stx-fault>`__
+stx-update                             `git://git.openstack.org/openstack/stx-update <https://git.openstack.org/cgit/openstack/stx-update>`__
 tacker                                 `git://git.openstack.org/openstack/tacker <https://git.openstack.org/cgit/openstack/tacker>`__
 tap-as-a-service                       `git://git.openstack.org/openstack/tap-as-a-service <https://git.openstack.org/cgit/openstack/tap-as-a-service>`__
 tap-as-a-service-dashboard             `git://git.openstack.org/openstack/tap-as-a-service-dashboard <https://git.openstack.org/cgit/openstack/tap-as-a-service-dashboard>`__