diff --git a/lib/ntk b/lib/ntk
index b5adfff..e1d51ce 160000
--- a/lib/ntk
+++ b/lib/ntk
@@ -1 +1 @@
-Subproject commit b5adfff95d299725f96fd1056bcc6cbd6c49009a
+Subproject commit e1d51cede393ab3993ccf3ec8d7b44ef801dc13b