diff --git a/tests/contracts/BuiltinErrorChecker.sol b/tests/contracts/BuiltinErrorChecker.sol
index 7f65155..ad627e9 100644
--- a/tests/contracts/BuiltinErrorChecker.sol
+++ b/tests/contracts/BuiltinErrorChecker.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity ^0.8.2;
 
 contract BuiltinErrorChecker {
diff --git a/tests/contracts/safe/ThisIsNotGnosisSafe.sol b/tests/contracts/safe/ThisIsNotGnosisSafe.sol
index ae17bba..20fd0ae 100644
--- a/tests/contracts/safe/ThisIsNotGnosisSafe.sol
+++ b/tests/contracts/safe/ThisIsNotGnosisSafe.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 // The point of this file is show we can have contracts in folders
 // where the folder is the same name as a dependency.
 pragma solidity ^0.8.0;