diff --git a/keystone b/keystone
index af4ec20f83..bb141b1fb4 160000
--- a/keystone
+++ b/keystone
@@ -1 +1 @@
-Subproject commit af4ec20f83424270974223439ccb591f88fdbcc2
+Subproject commit bb141b1fb49c5391530399777586611f2a4b2e6d