diff --git a/lib/rt64 b/lib/rt64
index ffa69ad..16f1708 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit ffa69ad27c7e71b47e6b25e24899b2c6689f3767
+Subproject commit 16f1708da21048684838c22abb43b60b4ce19e2e