diff --git a/contracts/lib/tnt-core b/contracts/lib/tnt-core
index c1fa9c7..2b58fb7 160000
--- a/contracts/lib/tnt-core
+++ b/contracts/lib/tnt-core
@@ -1 +1 @@
-Subproject commit c1fa9c7c3c5891aab9bd25002a434d93c54942cd
+Subproject commit 2b58fb7ea409c333ff024ece8b26c59f3daa62a2
diff --git a/contracts/src/HelloBlueprint.sol b/contracts/src/HelloBlueprint.sol
index 977a224..1f94913 100644
--- a/contracts/src/HelloBlueprint.sol
+++ b/contracts/src/HelloBlueprint.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: UNLICENSE
 pragma solidity >=0.8.13;
 
-import "core/BlueprintServiceManagerBase.sol";
+import "contracts/lib/tnt-core/src/BlueprintServiceManagerBase.sol";
 
 /**
  * @title HelloBlueprint