diff --git a/lib/rt64 b/lib/rt64
index 1adcbea..e4af592 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 1adcbea31a04f2403da729eb5dfed3950dd7ec52
+Subproject commit e4af592195bf1903df9d58e2b350e8183fb0e9ef