diff --git a/lib/rt64 b/lib/rt64
index 8747507..33fd9fd 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 8747507cf96a4921efe83ea492dd0afbac1481f5
+Subproject commit 33fd9fd88dd2c5b26d39ae4364e8681598b1114e