diff --git a/lib/rt64 b/lib/rt64
index 64c701c..8443b59 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 64c701cc72a9b747bd99b4ee03898024a3b78431
+Subproject commit 8443b596dc2be3c00cf1df351ce0b6bc9c217657