diff --git a/lib/rt64 b/lib/rt64
index 50aa793..af3855c 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 50aa793ad1a952f780ee95d0da8435e03c2b637d
+Subproject commit af3855c8832bfeb5e73910e323ac8ff2452eea92