diff --git a/keystone b/keystone
index fb730b7402..5b5c573c2f 160000
--- a/keystone
+++ b/keystone
@@ -1 +1 @@
-Subproject commit fb730b74021d72171a27578fd5da7acf6d52b839
+Subproject commit 5b5c573c2fa8bccc327f20d137a03535598186af