diff --git a/lib/ntk b/lib/ntk
index 891e8c6..3fc730f 160000
--- a/lib/ntk
+++ b/lib/ntk
@@ -1 +1 @@
-Subproject commit 891e8c604e569c695b848b83845871e49df1ae07
+Subproject commit 3fc730fc4ce779df0c9a8f3a70cc33b3a4e5aea7