diff --git a/lib/ntk b/lib/ntk
index 2b8d732..720d8d3 160000
--- a/lib/ntk
+++ b/lib/ntk
@@ -1 +1 @@
-Subproject commit 2b8d73264304e571e63a73432a8f88113b3a520b
+Subproject commit 720d8d33200ebd030df700c6c7a5a9cdf4581c03