diff --git a/contracts/contracts/core/BlockTracker.sol b/contracts/contracts/core/BlockTracker.sol
index 89687e0ff..907a5f0e8 100644
--- a/contracts/contracts/core/BlockTracker.sol
+++ b/contracts/contracts/core/BlockTracker.sol
@@ -5,6 +5,7 @@ import {IBlockTracker} from "../interfaces/IBlockTracker.sol";
 import {BlockTrackerStorage} from "./BlockTrackerStorage.sol";
 import {Ownable2StepUpgradeable} from "@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol";
 import {UUPSUpgradeable} from "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
+import {IBlockTracker} from "../interfaces/IBlockTracker.sol";
 
 /**
  * @title BlockTracker