diff --git a/lib/rt64 b/lib/rt64
index d31543f..45c4f4c 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit d31543fba2cd2364df5cfe0b7faaed450e681c2f
+Subproject commit 45c4f4c2432fb8ef1d70421f3545ec8eccdfd0c8