diff --git a/lib/rt64 b/lib/rt64
index e85dad8..b730ab4 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit e85dad87407f49129bb00a8db7bac57e76012b4e
+Subproject commit b730ab47b79bf04d32b0719f9478a9f34cc47518