diff --git a/lib/rt64 b/lib/rt64
index b66eca4..af86fdd 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit b66eca4d45e6ed242f4aae7b44ef87eb0ba172db
+Subproject commit af86fdd1bacf4f9d77867499ae111dbe512b94a3