diff --git a/test/ReentrancyGuard.t.sol b/test/ReentrancyGuard.t.sol
index f869508d1c..981c4717cd 100644
--- a/test/ReentrancyGuard.t.sol
+++ b/test/ReentrancyGuard.t.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.21;
+pragma solidity ^0.8.4;
 
 import "./utils/SoladyTest.sol";
 import {ReentrancyGuard} from "../src/utils/ReentrancyGuard.sol";