diff --git a/lib/rt64 b/lib/rt64
index 6c84bd1..1c2e1bf 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 6c84bd1630798e8dd8ba1eb08f95139b26bb2288
+Subproject commit 1c2e1bfe4893df6569dac7d4c8357e8a3052900f