diff --git a/keystone b/keystone
index c6c214ea43..389d8f5a4e 160000
--- a/keystone
+++ b/keystone
@@ -1 +1 @@
-Subproject commit c6c214ea43cc0eb105f2ad488849287c55a01280
+Subproject commit 389d8f5a4edbbe05e69740c00c50ff3fbaf36d51