diff --git a/4dm.h b/4dm.h
index 70921d3..b60a6ca 160000
--- a/4dm.h
+++ b/4dm.h
@@ -1 +1 @@
-Subproject commit 70921d38f1d1d40e1d0dc56762c18a0f761ace94
+Subproject commit b60a6ca5eb884356027871b146146d382de8a9cc