diff --git a/test/foundry/base/SafeOwnable.t.sol b/test/foundry/base/SafeOwnable.t.sol
index 9922bfef..94517917 100644
--- a/test/foundry/base/SafeOwnable.t.sol
+++ b/test/foundry/base/SafeOwnable.t.sol
@@ -1,4 +1,5 @@
 pragma solidity 0.7.6;
+pragma abicoder v2;
 
 import "../../../contracts/base/SafeOwnable.sol";
 import "../interface/ISafeOwnableEvent.sol";
diff --git a/test/foundry/helper/Constant.sol b/test/foundry/helper/Constant.sol
index 324e8488..07ab932c 100644
--- a/test/foundry/helper/Constant.sol
+++ b/test/foundry/helper/Constant.sol
@@ -1,4 +1,5 @@
 pragma solidity 0.7.6;
+pragma abicoder v2;
 
 import "forge-std/Test.sol";
 
diff --git a/test/foundry/immunefi/34300.InvalidWithdrawal.t.sol b/test/foundry/immunefi/34300.InvalidWithdrawal.t.sol
index 44b2272a..7817c9d0 100644
--- a/test/foundry/immunefi/34300.InvalidWithdrawal.t.sol
+++ b/test/foundry/immunefi/34300.InvalidWithdrawal.t.sol
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 pragma solidity 0.7.6;
+pragma abicoder v2;
 
 import "forge-std/Test.sol";
 import "../../../contracts/Vault.sol";