diff --git a/contracts/lib/tnt-core b/contracts/lib/tnt-core
index 07f3925..7ce2100 160000
--- a/contracts/lib/tnt-core
+++ b/contracts/lib/tnt-core
@@ -1 +1 @@
-Subproject commit 07f3925e3d2197dd78a73104255ec896a6a074ca
+Subproject commit 7ce2100bdb57472524a130488dace41a56cf3515