diff --git a/lib/rt64 b/lib/rt64
index 33fd9fd..df28e32 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 33fd9fd88dd2c5b26d39ae4364e8681598b1114e
+Subproject commit df28e32ab59133a3def706afada21d3eb1948bda