diff --git a/lib/rt64 b/lib/rt64
index af86fdd..5e2b59b 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit af86fdd1bacf4f9d77867499ae111dbe512b94a3
+Subproject commit 5e2b59b643439a739d84cf43fde97d0c9d61fcb5