diff --git a/lib/rt64 b/lib/rt64
index 691ec80..dc854a4 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 691ec800c071b34b5e191119b295d5b6e349a809
+Subproject commit dc854a4484c1682b7fd7ddb7ae50922f27090378