diff --git a/lib/rt64 b/lib/rt64
index 502c1eb..4e27fd2 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 502c1eb84bdd39539ce41116da51cc16e0843be8
+Subproject commit 4e27fd2ba9426284a207c7422e76a54eb639e96c