diff --git a/contracts/0.8.9/LidoLocator.sol b/contracts/0.8.9/LidoLocator.sol
index 87f802384..982d7c491 100644
--- a/contracts/0.8.9/LidoLocator.sol
+++ b/contracts/0.8.9/LidoLocator.sol
@@ -29,6 +29,7 @@ contract LidoLocator is ILidoLocator {
         address withdrawalVault;
         address oracleDaemonConfig;
         address accounting;
+        address wstETH;
     }
 
     error ZeroAddress();
@@ -48,6 +49,7 @@ contract LidoLocator is ILidoLocator {
     address public immutable withdrawalVault;
     address public immutable oracleDaemonConfig;
     address public immutable accounting;
+    address public immutable wstETH;
 
     /**
      * @notice declare service locations
@@ -70,6 +72,7 @@ contract LidoLocator is ILidoLocator {
         withdrawalVault = _assertNonZero(_config.withdrawalVault);
         oracleDaemonConfig = _assertNonZero(_config.oracleDaemonConfig);
         accounting = _assertNonZero(_config.accounting);
+        wstETH = _assertNonZero(_config.wstETH);
     }
 
     function coreComponents() external view returns(
diff --git a/contracts/common/interfaces/ILidoLocator.sol b/contracts/common/interfaces/ILidoLocator.sol
index 1db48e93e..c39db1e23 100644
--- a/contracts/common/interfaces/ILidoLocator.sol
+++ b/contracts/common/interfaces/ILidoLocator.sol
@@ -21,6 +21,10 @@ interface ILidoLocator {
     function postTokenRebaseReceiver() external view returns(address);
     function oracleDaemonConfig() external view returns(address);
     function accounting() external view returns (address);
+    function wstETH() external view returns (address);
+
+    /// @notice Returns core Lido protocol component addresses in a single call
+    /// @dev This function provides a gas-efficient way to fetch multiple component addresses in a single call
     function coreComponents() external view returns(
         address elRewardsVault,
         address oracleReportSanityChecker,
@@ -29,6 +33,9 @@ interface ILidoLocator {
         address withdrawalQueue,
         address withdrawalVault
     );
+
+    /// @notice Returns addresses of components involved in processing oracle reports in the Lido contract
+    /// @dev This function provides a gas-efficient way to fetch multiple component addresses in a single call
     function oracleReportComponents() external view returns(
         address accountingOracle,
         address oracleReportSanityChecker,
diff --git a/lib/protocol/networks.ts b/lib/protocol/networks.ts
index 130035d27..404a51a83 100644
--- a/lib/protocol/networks.ts
+++ b/lib/protocol/networks.ts
@@ -58,6 +58,7 @@ const defaultEnv = {
   withdrawalQueue: "WITHDRAWAL_QUEUE_ADDRESS",
   withdrawalVault: "WITHDRAWAL_VAULT_ADDRESS",
   oracleDaemonConfig: "ORACLE_DAEMON_CONFIG_ADDRESS",
+  wstETH: "WSTETH_ADDRESS",
   // aragon contracts
   kernel: "ARAGON_KERNEL_ADDRESS",
   acl: "ARAGON_ACL_ADDRESS",
diff --git a/scripts/scratch/steps/0090-deploy-non-aragon-contracts.ts b/scripts/scratch/steps/0090-deploy-non-aragon-contracts.ts
index 4f7d15bb5..9974f81ac 100644
--- a/scripts/scratch/steps/0090-deploy-non-aragon-contracts.ts
+++ b/scripts/scratch/steps/0090-deploy-non-aragon-contracts.ts
@@ -210,6 +210,7 @@ export async function main() {
     withdrawalVaultAddress,
     oracleDaemonConfig.address,
     accounting.address,
+    wstETH.address,
   ];
   await updateProxyImplementation(Sk.lidoLocator, "LidoLocator", locator.address, proxyContractsOwner, [locatorConfig]);
 }
diff --git a/test/0.8.9/contracts/LidoLocator__MockForSanityChecker.sol b/test/0.8.9/contracts/LidoLocator__MockForSanityChecker.sol
index ead50dc46..0dd43fe02 100644
--- a/test/0.8.9/contracts/LidoLocator__MockForSanityChecker.sol
+++ b/test/0.8.9/contracts/LidoLocator__MockForSanityChecker.sol
@@ -23,6 +23,7 @@ contract LidoLocator__MockForSanityChecker is ILidoLocator {
         address postTokenRebaseReceiver;
         address oracleDaemonConfig;
         address accounting;
+        address wstETH;
     }
 
     address public immutable lido;
@@ -40,6 +41,7 @@ contract LidoLocator__MockForSanityChecker is ILidoLocator {
     address public immutable postTokenRebaseReceiver;
     address public immutable oracleDaemonConfig;
     address public immutable accounting;
+    address public immutable wstETH;
 
     constructor (
         ContractAddresses memory addresses
@@ -59,6 +61,7 @@ contract LidoLocator__MockForSanityChecker is ILidoLocator {
         postTokenRebaseReceiver = addresses.postTokenRebaseReceiver;
         oracleDaemonConfig = addresses.oracleDaemonConfig;
         accounting = addresses.accounting;
+        wstETH = addresses.wstETH;
     }
 
     function coreComponents() external view returns (address, address, address, address, address, address) {
diff --git a/test/0.8.9/lidoLocator.test.ts b/test/0.8.9/lidoLocator.test.ts
index 08bc59bda..72a2347e3 100644
--- a/test/0.8.9/lidoLocator.test.ts
+++ b/test/0.8.9/lidoLocator.test.ts
@@ -21,6 +21,7 @@ const services = [
   "withdrawalVault",
   "oracleDaemonConfig",
   "accounting",
+  "wstETH",
 ] as const;
 
 type Service = ArrayToUnion<typeof services>;
diff --git a/test/deploy/locator.ts b/test/deploy/locator.ts
index b87a338f9..e41e54111 100644
--- a/test/deploy/locator.ts
+++ b/test/deploy/locator.ts
@@ -29,6 +29,7 @@ async function deployDummyLocator(config?: Partial<LidoLocator.ConfigStruct>, de
     withdrawalQueue: certainAddress("dummy-locator:withdrawalQueue"),
     withdrawalVault: certainAddress("dummy-locator:withdrawalVault"),
     accounting: certainAddress("dummy-locator:withdrawalVault"),
+    wstETH: certainAddress("dummy-locator:wstETH"),
     ...config,
   });
 
@@ -104,6 +105,7 @@ async function getLocatorConfig(locatorAddress: string) {
     "withdrawalVault",
     "oracleDaemonConfig",
     "accounting",
+    "wstETH",
   ] as Partial<keyof LidoLocator.ConfigStruct>[];
 
   const configPromises = addresses.map((name) => locator[name]());