diff --git a/keystone b/keystone
index e2d3c6fbf3..a903b50542 160000
--- a/keystone
+++ b/keystone
@@ -1 +1 @@
-Subproject commit e2d3c6fbf3fdb330fba46e4e2acb6b9e2cf91f92
+Subproject commit a903b505429410435aab4c96db6e89413929fcf3