diff --git a/lib/ntk b/lib/ntk
index dae1771..851dee6 160000
--- a/lib/ntk
+++ b/lib/ntk
@@ -1 +1 @@
-Subproject commit dae177189b12f74ea01ac2389b76326c06d9be78
+Subproject commit 851dee6ab32c4d968ee89043d6e9b781a6fdcca5