diff --git a/lib/rt64 b/lib/rt64
index 82375da..8747507 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 82375dabaaf08d9567db2de4b95f9deb6e75155c
+Subproject commit 8747507cf96a4921efe83ea492dd0afbac1481f5