diff --git a/params/version.go b/params/version.go
index 044c305da9..d5ba15b4d6 100644
--- a/params/version.go
+++ b/params/version.go
@@ -24,7 +24,7 @@ import (
 const (
 	VersionMajor = 4         // Major version component of the current release
 	VersionMinor = 2         // Minor version component of the current release
-	VersionPatch = 2         // Patch version component of the current release
+	VersionPatch = 3         // Patch version component of the current release
 	VersionMeta  = "sepolia" // Version metadata to append to the version string
 )
 
diff --git a/rollup/sync_service/bindings.go b/rollup/sync_service/bindings.go
index 2e1cab372a..a2626edbf0 100644
--- a/rollup/sync_service/bindings.go
+++ b/rollup/sync_service/bindings.go
@@ -20,7 +20,7 @@ import (
 
 // L1MessageQueueMetaData contains all meta data concerning the L1MessageQueue contract.
 var L1MessageQueueMetaData = &bind.MetaData{
-	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"startIndex\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"count\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"skippedBitmap\",\"type\":\"uint256\"}],\"name\":\"DequeueTransaction\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"queueIndex\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"QueueTransaction\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_oldGateway\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_newGateway\",\"type\":\"address\"}],\"name\":\"UpdateEnforcedTxGateway\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_oldGasOracle\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_newGasOracle\",\"type\":\"address\"}],\"name\":\"UpdateGasOracle\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_oldMaxGasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_newMaxGasLimit\",\"type\":\"uint256\"}],\"name\":\"UpdateMaxGasLimit\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"appendCrossDomainMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"appendEnforcedTransaction\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"_calldata\",\"type\":\"bytes\"}],\"name\":\"calculateIntrinsicGasFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_sender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_queueIndex\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"computeTransactionHash\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"enforcedTxGateway\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"estimateCrossDomainMessageFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"gasOracle\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_queueIndex\",\"type\":\"uint256\"}],\"name\":\"getCrossDomainMessage\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_messenger\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_scrollChain\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_enforcedTxGateway\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_gasOracle\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_maxGasLimit\",\"type\":\"uint256\"}],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"maxGasLimit\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"messageQueue\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"messenger\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"nextCrossDomainMessageIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pendingQueueIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_startIndex\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_count\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_skippedBitmap\",\"type\":\"uint256\"}],\"name\":\"popCrossDomainMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"scrollChain\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newGateway\",\"type\":\"address\"}],\"name\":\"updateEnforcedTxGateway\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newGasOracle\",\"type\":\"address\"}],\"name\":\"updateGasOracle\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_newMaxGasLimit\",\"type\":\"uint256\"}],\"name\":\"updateMaxGasLimit\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"startIndex\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"count\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"skippedBitmap\",\"type\":\"uint256\"}],\"name\":\"DequeueTransaction\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint64\",\"name\":\"queueIndex\",\"type\":\"uint64\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"QueueTransaction\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_oldGateway\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_newGateway\",\"type\":\"address\"}],\"name\":\"UpdateEnforcedTxGateway\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_oldGasOracle\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_newGasOracle\",\"type\":\"address\"}],\"name\":\"UpdateGasOracle\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_oldMaxGasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_newMaxGasLimit\",\"type\":\"uint256\"}],\"name\":\"UpdateMaxGasLimit\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"appendCrossDomainMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"appendEnforcedTransaction\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"_calldata\",\"type\":\"bytes\"}],\"name\":\"calculateIntrinsicGasFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_sender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_queueIndex\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"computeTransactionHash\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"enforcedTxGateway\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"estimateCrossDomainMessageFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"gasOracle\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_queueIndex\",\"type\":\"uint256\"}],\"name\":\"getCrossDomainMessage\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_messenger\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_scrollChain\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_enforcedTxGateway\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_gasOracle\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_maxGasLimit\",\"type\":\"uint256\"}],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"maxGasLimit\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"messageQueue\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"messenger\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"nextCrossDomainMessageIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pendingQueueIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_startIndex\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_count\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_skippedBitmap\",\"type\":\"uint256\"}],\"name\":\"popCrossDomainMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"scrollChain\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newGateway\",\"type\":\"address\"}],\"name\":\"updateEnforcedTxGateway\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newGasOracle\",\"type\":\"address\"}],\"name\":\"updateGasOracle\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_newMaxGasLimit\",\"type\":\"uint256\"}],\"name\":\"updateMaxGasLimit\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
 }
 
 // L1MessageQueueABI is the input ABI used to generate the binding from.
@@ -122,7 +122,7 @@ type L1MessageQueueQueueTransaction struct {
 	Sender     common.Address
 	Target     common.Address
 	Value      *big.Int
-	QueueIndex *big.Int
+	QueueIndex uint64
 	GasLimit   *big.Int
 	Data       []byte
 	Raw        types.Log // Blockchain specific contextual infos
@@ -130,7 +130,7 @@ type L1MessageQueueQueueTransaction struct {
 
 // FilterQueueTransaction is a free log retrieval operation binding the contract event 0xbdcc7517f8fe3db6506dfd910942d0bbecaf3d6a506dadea65b0d988e75b9439.
 //
-// Solidity: event QueueTransaction(address indexed sender, address indexed target, uint256 value, uint256 queueIndex, uint256 gasLimit, bytes data)
+// Solidity: event QueueTransaction(address indexed sender, address indexed target, uint256 value, uint64 queueIndex, uint256 gasLimit, bytes data)
 func (_L1MessageQueue *L1MessageQueueFilterer) FilterQueueTransaction(opts *bind.FilterOpts, sender []common.Address, target []common.Address) (*L1MessageQueueQueueTransactionIterator, error) {
 
 	var senderRule []interface{}
diff --git a/rollup/sync_service/bridge_client.go b/rollup/sync_service/bridge_client.go
index 3c1b30d575..ea46fdcb8b 100644
--- a/rollup/sync_service/bridge_client.go
+++ b/rollup/sync_service/bridge_client.go
@@ -72,12 +72,12 @@ func (c *BridgeClient) fetchMessagesInRange(ctx context.Context, from, to uint64
 		event := it.Event
 		log.Trace("Received new L1 QueueTransaction event", "event", event)
 
-		if !event.QueueIndex.IsUint64() || !event.GasLimit.IsUint64() {
+		if !event.GasLimit.IsUint64() {
 			return nil, fmt.Errorf("invalid QueueTransaction event: QueueIndex = %v, GasLimit = %v", event.QueueIndex, event.GasLimit)
 		}
 
 		msgs = append(msgs, types.L1MessageTx{
-			QueueIndex: event.QueueIndex.Uint64(),
+			QueueIndex: event.QueueIndex,
 			Gas:        event.GasLimit.Uint64(),
 			To:         &event.Target,
 			Value:      event.Value,