diff --git a/solidity/contracts/Greeter.sol b/solidity/contracts/Greeter.sol
index 053e933e..4143dae4 100644
--- a/solidity/contracts/Greeter.sol
+++ b/solidity/contracts/Greeter.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity =0.8.19;
 
 import {IERC20} from 'isolmate/interfaces/tokens/IERC20.sol';
diff --git a/solidity/scripts/Deploy.sol b/solidity/scripts/Deploy.sol
index 6714510d..2f7a1e06 100644
--- a/solidity/scripts/Deploy.sol
+++ b/solidity/scripts/Deploy.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity =0.8.19;
 
 import {Script} from 'forge-std/Script.sol';
diff --git a/solidity/test/unit/Greeter.t.sol b/solidity/test/unit/Greeter.t.sol
index 06df96ae..729aa2bb 100644
--- a/solidity/test/unit/Greeter.t.sol
+++ b/solidity/test/unit/Greeter.t.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity =0.8.19;
 
 import {IERC20} from 'isolmate/interfaces/tokens/IERC20.sol';