diff --git a/bridge/evm/contracts/utils/CommitteeUpgradeable.sol b/bridge/evm/contracts/utils/CommitteeUpgradeable.sol
index 4e415174d5335..af5d2839749a9 100644
--- a/bridge/evm/contracts/utils/CommitteeUpgradeable.sol
+++ b/bridge/evm/contracts/utils/CommitteeUpgradeable.sol
@@ -20,6 +20,8 @@ abstract contract CommitteeUpgradeable is
     /* ========== STATE VARIABLES ========== */
 
     bool private _upgradeAuthorized;
+    // upgradeablity storage gap
+    uint256[50] private __gap;
 
     /* ========== INITIALIZER ========== */