diff --git a/solidity/test/smock/SmockHelper.sol b/solidity/test/smock/SmockHelper.sol
index 442961e..7ef3520 100644
--- a/solidity/test/smock/SmockHelper.sol
+++ b/solidity/test/smock/SmockHelper.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.0;
+pragma solidity ^0.8.20;
 
 import {Test} from 'forge-std/Test.sol';
 
diff --git a/solidity/test/smock/examples/MockAliceGovernor.sol b/solidity/test/smock/examples/MockAliceGovernor.sol
index 5b2623d..759c1a5 100644
--- a/solidity/test/smock/examples/MockAliceGovernor.sol
+++ b/solidity/test/smock/examples/MockAliceGovernor.sol
@@ -1,5 +1,5 @@
-/// SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.0;
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
 
 import {Test} from 'forge-std/Test.sol';
 import {
diff --git a/solidity/test/smock/examples/MockRabbitToken.sol b/solidity/test/smock/examples/MockRabbitToken.sol
index c1fa222..ded229b 100644
--- a/solidity/test/smock/examples/MockRabbitToken.sol
+++ b/solidity/test/smock/examples/MockRabbitToken.sol
@@ -1,5 +1,5 @@
-/// SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.0;
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
 
 import {Test} from 'forge-std/Test.sol';
 import {AliceGovernor, EIP712, ERC20, RabbitToken, WonderERC20Votes} from 'solidity/examples/RabbitToken.sol';
diff --git a/solidity/test/unit/WonderGovernor.t.sol b/solidity/test/unit/WonderGovernor.t.sol
index cd0a0aa..fa480e7 100644
--- a/solidity/test/unit/WonderGovernor.t.sol
+++ b/solidity/test/unit/WonderGovernor.t.sol
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
 import 'forge-std/Test.sol';
 
 import {WonderGovernor} from 'contracts/governance/WonderGovernor.sol';