diff --git a/src/common/contracts.py b/src/common/contracts.py
index 11b8afcc..9cd0b86d 100644
--- a/src/common/contracts.py
+++ b/src/common/contracts.py
@@ -285,10 +285,10 @@ class MulticallContract(ContractWrapper):
 
     async def aggregate(
         self,
-        data: list[tuple[ChecksumAddress, bool, HexStr]],
+        data: list[tuple[ChecksumAddress, HexStr]],
         block_number: BlockNumber | None = None,
-    ) -> list:
-        return await self.contract.functions.aggregate3(data).call(block_identifier=block_number)
+    ) -> tuple[BlockNumber, list]:
+        return await self.contract.functions.aggregate(data).call(block_identifier=block_number)
 
 
 @functools.cache
diff --git a/src/common/execution.py b/src/common/execution.py
index 1e712e42..96c56af4 100644
--- a/src/common/execution.py
+++ b/src/common/execution.py
@@ -82,15 +82,15 @@ async def update_oracles_cache() -> None:
 
     rewards_threshold_call = keeper_contract.encode_abi(fn_name='rewardsMinOracles', args=[])
     validators_threshold_call = keeper_contract.encode_abi(fn_name='validatorsMinOracles', args=[])
-    multicall_response = await multicall_contract.aggregate(
+    _, multicall_response = await multicall_contract.aggregate(
         [
-            (keeper_contract.address, False, rewards_threshold_call),
-            (keeper_contract.address, False, validators_threshold_call),
+            (keeper_contract.address, rewards_threshold_call),
+            (keeper_contract.address, validators_threshold_call),
         ],
         block_number=to_block,
     )
-    rewards_threshold = Web3.to_int(multicall_response[0][1])
-    validators_threshold = Web3.to_int(multicall_response[1][1])
+    rewards_threshold = Web3.to_int(multicall_response[0])
+    validators_threshold = Web3.to_int(multicall_response[1])
 
     app_state.oracles_cache = OraclesCache(
         config=config,
diff --git a/src/validators/execution.py b/src/validators/execution.py
index 1d0dc809..47d65c28 100644
--- a/src/validators/execution.py
+++ b/src/validators/execution.py
@@ -7,7 +7,11 @@
 from web3 import Web3
 from web3.types import EventData, Wei
 
-from src.common.contracts import validators_registry_contract, vault_contract
+from src.common.contracts import (
+    multicall_contract,
+    validators_registry_contract,
+    vault_contract,
+)
 from src.common.metrics import metrics
 from src.common.typings import HarvestParams
 from src.common.vault import Vault
@@ -108,7 +112,8 @@ async def get_withdrawable_assets(harvest_params: HarvestParams | None) -> Wei:
     calls = await get_update_state_calls(harvest_params)
     withdrawable_assets_call = vault_contract.encode_abi(fn_name='withdrawableAssets', args=[])
     calls.append((vault_contract.address, withdrawable_assets_call))
-    multicall = await vault_contract.functions.multicall(calls).call()
+
+    _, multicall = await multicall_contract.aggregate(calls)
     after_update_assets = Web3.to_int(multicall[-1])
 
     before_update_validators = before_update_assets // DEPOSIT_AMOUNT