diff --git a/lib/rt64 b/lib/rt64
index 1583c50..1dd8479 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 1583c508d396eab94f9043060d81c88178ca377a
+Subproject commit 1dd8479934c0d19d8dfff268378684a2704c8a41