diff --git a/.github/workflows/horizon.yml b/.github/workflows/horizon.yml
index f62c2a965a..486b9b13d9 100644
--- a/.github/workflows/horizon.yml
+++ b/.github/workflows/horizon.yml
@@ -32,11 +32,11 @@ jobs:
     env:
       HORIZON_INTEGRATION_TESTS_ENABLED: true
       HORIZON_INTEGRATION_TESTS_CORE_MAX_SUPPORTED_PROTOCOL: ${{ matrix.protocol-version }}
-      PROTOCOL_22_CORE_DEBIAN_PKG_VERSION: 23.0.0-2587.rc4.dcf366957.focal
-      PROTOCOL_22_CORE_DOCKER_IMG: stellar/unsafe-stellar-core:23.0.0-2587.rc4.dcf366957.focal
+      PROTOCOL_22_CORE_DEBIAN_PKG_VERSION: 22.4.2-2603.136aea451.focal
+      PROTOCOL_22_CORE_DOCKER_IMG: stellar/unsafe-stellar-core:22.4.2-2603.136aea451.focal
       PROTOCOL_22_STELLAR_RPC_DOCKER_IMG: stellar/stellar-rpc:23.0.0-rc2-126
-      PROTOCOL_23_CORE_DEBIAN_PKG_VERSION: 23.0.0-2587.rc4.dcf366957.focal
-      PROTOCOL_23_CORE_DOCKER_IMG: stellar/unsafe-stellar-core:23.0.0-2587.rc4.dcf366957.focal
+      PROTOCOL_23_CORE_DEBIAN_PKG_VERSION: 22.4.2-2603.136aea451.focal
+      PROTOCOL_23_CORE_DOCKER_IMG: stellar/unsafe-stellar-core:22.4.2-2603.136aea451.focal
       PROTOCOL_23_STELLAR_RPC_DOCKER_IMG: stellar/stellar-rpc:23.0.0-rc2-126
       PGHOST: localhost
       PGPORT: 5432
@@ -126,7 +126,7 @@ jobs:
     runs-on: ubuntu-22.04
     env:
       GO_VERSION: 1.23.4
-      STELLAR_CORE_VERSION: 23.0.0-2587.rc4.dcf366957.jammy
+      STELLAR_CORE_VERSION: 22.4.2-2603.136aea451.jammy
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/services/horizon/internal/integration/sac_test.go b/services/horizon/internal/integration/sac_test.go
index 7323a49594..0d91c329fe 100644
--- a/services/horizon/internal/integration/sac_test.go
+++ b/services/horizon/internal/integration/sac_test.go
@@ -5,6 +5,7 @@ import (
 	"crypto/sha256"
 	"math"
 	"math/big"
+	"strconv"
 	"strings"
 	"testing"
 	"time"
@@ -812,6 +813,129 @@ func TestEvictionAndDeletion(t *testing.T) {
 	})
 }
 
+func TestParallelSACTransfer(t *testing.T) {
+	if integration.GetCoreMaxSupportedProtocol() < 23 {
+		t.Skip("This test run does not support less than Protocol 23")
+	}
+
+	itest := integration.NewTest(t, integration.Config{
+		EnableStellarRPC: true,
+		HorizonIngestParameters: map[string]string{
+			// disable state verification because we will insert
+			// a fake asset contract in the horizon db and we don't
+			// want state verification to detect this
+			"ingest-disable-state-verification": "true",
+		},
+		QuickEviction: true,
+	})
+
+	issuer := itest.Master().Address()
+	code := "USD"
+	asset := xdr.MustNewCreditAsset(code, issuer)
+
+	createSAC(itest, asset)
+
+	accountKeys, accounts := itest.CreateAccounts(2, "100")
+	recipientKp, recipient := accountKeys[0], accounts[0]
+	senderKp, sender := accountKeys[1], accounts[1]
+	itest.MustEstablishTrustline(recipientKp, recipient, txnbuild.MustAssetFromXDR(asset))
+	itest.MustEstablishTrustline(senderKp, sender, txnbuild.MustAssetFromXDR(asset))
+
+	itest.MustSubmitOperations(
+		itest.MasterAccount(),
+		itest.Master(),
+		&txnbuild.Payment{
+			SourceAccount: issuer,
+			Destination:   senderKp.Address(),
+			Asset: txnbuild.CreditAsset{
+				Code:   code,
+				Issuer: issuer,
+			},
+			Amount: "2000",
+		},
+	)
+
+	assertAssetStats(itest, assetStats{
+		code:             code,
+		issuer:           issuer,
+		numAccounts:      2,
+		balanceAccounts:  0,
+		numContracts:     0,
+		balanceContracts: big.NewInt(0),
+		contractID:       stellarAssetContractID(itest, asset),
+	})
+
+	i := 0
+	for {
+		// tx to remove evicted balance
+		transferOp := itest.PreflightHostFunctions(sender,
+			*transfer(itest, senderKp.Address(), asset, "3", accountAddressParam(recipient.GetAccountID())),
+		)
+		mintOp := itest.PreflightHostFunctions(itest.MasterAccount(),
+			*transfer(itest, itest.Master().Address(), asset, "6", accountAddressParam(recipient.GetAccountID())),
+		)
+
+		mintTx, err := itest.CreateSignedTransactionFromOps(itest.MasterAccount(), []*keypair.Full{itest.Master()}, &mintOp)
+		require.NoError(t, err)
+
+		account := itest.MustGetAccount(senderKp)
+		transferTx, err := itest.CreateSignedTransactionFromOps(&account, []*keypair.Full{senderKp}, &transferOp)
+		require.NoError(t, err)
+
+		responses, err := itest.SubmitTransactions([]*txnbuild.Transaction{mintTx, transferTx})
+		require.NoError(t, err)
+		require.True(t, responses[0].Successful)
+		require.True(t, responses[1].Successful)
+
+		masterAccount := itest.MustGetAccount(itest.Master())
+		recipientAccount := itest.MustGetAccount(recipientKp)
+		senderAccount := itest.MustGetAccount(senderKp)
+
+		require.Equal(t, masterAccount.LastModifiedLedger, uint32(responses[0].Ledger))
+		require.Equal(t, senderAccount.LastModifiedLedger, uint32(responses[1].Ledger))
+
+		var found bool
+		for _, balance := range senderAccount.Balances {
+			if balance.Issuer != issuer || balance.Code != code {
+				continue
+			}
+			found = true
+			require.Equal(t, balance.LastModifiedLedger, uint32(responses[1].Ledger))
+		}
+		require.True(t, found)
+
+		found = false
+		for _, balance := range recipientAccount.Balances {
+			if balance.Issuer != issuer || balance.Code != code {
+				continue
+			}
+			found = true
+			require.Equal(t, balance.LastModifiedLedger, max(uint32(responses[1].Ledger), uint32(responses[0].Ledger)))
+		}
+		require.True(t, found)
+
+		if responses[0].Ledger == responses[1].Ledger {
+			break
+		}
+		if i >= 100 {
+			require.Fail(t, "could not produce ledger with both transfers")
+		}
+		i++
+		time.Sleep(time.Second)
+	}
+
+	expectedAmount := strconv.Itoa(90 * (i + 1))
+	assertAssetStats(itest, assetStats{
+		code:             code,
+		issuer:           issuer,
+		numAccounts:      2,
+		balanceAccounts:  amount.MustParse(expectedAmount),
+		numContracts:     0,
+		balanceContracts: big.NewInt(0),
+		contractID:       stellarAssetContractID(itest, asset),
+	})
+}
+
 func TestEvictionOfSACWithActiveBalance(t *testing.T) {
 	if integration.GetCoreMaxSupportedProtocol() < 23 {
 		t.Skip("This test run does not support less than Protocol 23")
@@ -1052,6 +1176,85 @@ func TestEvictionOfSACAndRestoration(t *testing.T) {
 	})
 }
 
+func TestEvictionOfSACAndAutoRestore(t *testing.T) {
+	if integration.GetCoreMaxSupportedProtocol() < 23 {
+		t.Skip("This test run does not support less than Protocol 23")
+	}
+
+	itest := integration.NewTest(t, integration.Config{
+		EnableStellarRPC: true,
+		HorizonIngestParameters: map[string]string{
+			// disable state verification because we will insert
+			// a fake asset contract in the horizon db and we don't
+			// want state verification to detect this
+			"ingest-disable-state-verification": "true",
+		},
+		QuickEviction: true,
+	})
+
+	issuer := itest.Master().Address()
+	code := "USD"
+	asset := xdr.MustNewCreditAsset(code, issuer)
+
+	recipientKp, recipient := itest.CreateAccount("100")
+	itest.MustEstablishTrustline(recipientKp, recipient, txnbuild.MustAssetFromXDR(asset))
+
+	createSACWithTTL(itest, asset, 30)
+	contractID := stellarAssetContractID(itest, asset)
+
+	assertAssetStats(itest, assetStats{
+		code:             code,
+		issuer:           issuer,
+		numAccounts:      1,
+		balanceAccounts:  0,
+		numContracts:     0,
+		balanceContracts: big.NewInt(0),
+		contractID:       contractID,
+	})
+
+	contractToEvictLedgerKey := xdr.LedgerKey{
+		Type: xdr.LedgerEntryTypeContractData,
+		ContractData: &xdr.LedgerKeyContractData{
+			Contract: xdr.ScAddress{
+				Type:       xdr.ScAddressTypeScAddressTypeContract,
+				AccountId:  nil,
+				ContractId: &contractID,
+			},
+			Key: xdr.ScVal{
+				Type: xdr.ScValTypeScvLedgerKeyContractInstance,
+			},
+			Durability: xdr.ContractDataDurabilityPersistent,
+		},
+	}
+	itest.WaitUntilLedgerEntryIsEvicted(contractToEvictLedgerKey, time.Minute)
+
+	assertAssetStats(itest, assetStats{
+		code:             code,
+		issuer:           issuer,
+		numAccounts:      1,
+		balanceAccounts:  amount.MustParse("0"),
+		numContracts:     0,
+		balanceContracts: big.NewInt(0),
+	})
+
+	// auto restore SAC via transfer()
+	assertInvokeHostFnSucceeds(
+		itest,
+		itest.Master(),
+		transfer(itest, itest.Master().Address(), asset, "6", accountAddressParam(recipient.GetAccountID())),
+	)
+
+	assertAssetStats(itest, assetStats{
+		code:             code,
+		issuer:           issuer,
+		numAccounts:      1,
+		balanceAccounts:  amount.MustParse("6"),
+		numContracts:     0,
+		balanceContracts: big.NewInt(0),
+		contractID:       contractID,
+	})
+}
+
 func invokeStoreSet(
 	itest *integration.Test,
 	storeContractID xdr.ContractId,
diff --git a/services/horizon/internal/test/integration/integration.go b/services/horizon/internal/test/integration/integration.go
index 742c196f3c..a963db743d 100644
--- a/services/horizon/internal/test/integration/integration.go
+++ b/services/horizon/internal/test/integration/integration.go
@@ -36,6 +36,7 @@ import (
 	"github.com/stellar/go/clients/stellarcore"
 	"github.com/stellar/go/keypair"
 	proto "github.com/stellar/go/protocols/horizon"
+	coreproto "github.com/stellar/go/protocols/stellarcore"
 	horizoncmd "github.com/stellar/go/services/horizon/cmd"
 	horizon "github.com/stellar/go/services/horizon/internal"
 	"github.com/stellar/go/services/horizon/internal/ingest"
@@ -173,7 +174,7 @@ func NewTest(t *testing.T, config Config) *Test {
 	}
 	if config.QuickEviction {
 		validatorParams.OverrideEvictionParamsForTesting = true
-		validatorParams.TestingStartingEvictionScanLevel = 2
+		validatorParams.TestingStartingEvictionScanLevel = 1
 		validatorParams.TestingMaxEntriesToArchive = 100
 		// QuickEviction implies QuickExpiration
 		config.QuickExpiration = true
@@ -1450,6 +1451,53 @@ func (i *Test) AsyncSubmitTransaction(
 	return i.Client().AsyncSubmitTransaction(tx)
 }
 
+func (i *Test) SubmitTransactions(transactions []*txnbuild.Transaction) ([]proto.Transaction, error) {
+	var results []proto.Transaction
+	byHash := make(map[string]proto.Transaction)
+	for _, tx := range transactions {
+		response, err := i.Client().AsyncSubmitTransaction(tx)
+		if err != nil {
+			return nil, err
+		}
+		if response.TxStatus != coreproto.TXStatusPending {
+			return nil, fmt.Errorf("transaction status is %s", response.TxStatus)
+		}
+	}
+	require.Eventually(i.t, func() bool {
+		for _, tx := range transactions {
+			hash, err := tx.HashHex(i.passPhrase)
+			if err != nil {
+				continue
+			}
+			if _, ok := byHash[hash]; ok {
+				continue
+			}
+			response, err := i.Client().TransactionDetail(hash)
+			if err != nil {
+				continue
+			}
+			byHash[hash] = response
+		}
+		return len(byHash) == len(transactions)
+	}, time.Minute, time.Second)
+
+	if len(byHash) != len(transactions) {
+		return nil, fmt.Errorf("expected %d responses, got %d", len(transactions), len(byHash))
+	}
+	for _, tx := range transactions {
+		hash, err := tx.HashHex(i.passPhrase)
+		if err != nil {
+			return nil, err
+		}
+		response, ok := byHash[hash]
+		if !ok {
+			return nil, fmt.Errorf("transaction %s not found", hash)
+		}
+		results = append(results, response)
+	}
+	return results, nil
+}
+
 func (i *Test) MustSubmitMultiSigTransaction(
 	signers []*keypair.Full, txParams txnbuild.TransactionParams,
 ) proto.Transaction {