diff --git a/quartz b/quartz
index 8fc7b9f..50f0ba2 160000
--- a/quartz
+++ b/quartz
@@ -1 +1 @@
-Subproject commit 8fc7b9f4c68bb8c41a156e92cfbddf3144678dcc
+Subproject commit 50f0ba29a247c81b5f29d290e54f7e1aabb18ab3