diff --git a/contracts/lib/tnt-core b/contracts/lib/tnt-core
index c1fa9c7..27fe87e 160000
--- a/contracts/lib/tnt-core
+++ b/contracts/lib/tnt-core
@@ -1 +1 @@
-Subproject commit c1fa9c7c3c5891aab9bd25002a434d93c54942cd
+Subproject commit 27fe87e47e40b684eff2c3bde2dd8c96f82bb8b8