diff --git a/lib/rt64 b/lib/rt64
index bdd9ee8..fc67a2d 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit bdd9ee86c0b058f8313493b25193ea610f481b90
+Subproject commit fc67a2d72b37bf97447b789fa5a17436b3f5d10a