diff --git a/lib/rt64 b/lib/rt64
index 1f98d76..0f638c1 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 1f98d76667a013b56b3d00b5bf2d46823db195fa
+Subproject commit 0f638c1babf75b79c313476d5d3b6c506e15bcc4