diff --git a/lib/sch b/lib/sch
index 65cf3cc..61ac552 160000
--- a/lib/sch
+++ b/lib/sch
@@ -1 +1 @@
-Subproject commit 65cf3ccc85f1e6ef784e86c85e460cf8a34cee58
+Subproject commit 61ac552320ca1b5fec7faed4776ed194c6371ff2