diff --git a/openstack/identity/v3/projects/urls.go b/openstack/identity/v3/projects/urls.go
index c9f0d58..e26cf36 100644
--- a/openstack/identity/v3/projects/urls.go
+++ b/openstack/identity/v3/projects/urls.go
@@ -17,3 +17,7 @@
 func deleteURL(client *gophercloud.ServiceClient, projectID string) string {
 	return client.ServiceURL("projects", projectID)
 }
+
+func updateURL(client *gophercloud.ServiceClient, projectID string) string {
+	return client.ServiceURL("projects", projectID)
+}