diff --git a/lib/rt64 b/lib/rt64
index 8747507..88c618c 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 8747507cf96a4921efe83ea492dd0afbac1481f5
+Subproject commit 88c618c1f8d8089f94e78537e49e0d77798fc0be