diff --git a/cmd/erigon-el/eth1/execution.go b/cmd/erigon-el/eth1/execution.go
index dee15e30cb0..9bd11223823 100644
--- a/cmd/erigon-el/eth1/execution.go
+++ b/cmd/erigon-el/eth1/execution.go
@@ -85,7 +85,7 @@ func (e *Eth1Execution) InsertBodies(ctx context.Context, req *execution.InsertB
 				Index:     withdrawal.Index,
 				Validator: withdrawal.ValidatorIndex,
 				Address:   gointerfaces.ConvertH160toAddress(withdrawal.Address),
-				Amount:    *gointerfaces.ConvertH256ToUint256Int(withdrawal.Amount),
+				Amount:    withdrawal.Amount,
 			})
 		}
 
diff --git a/consensus/serenity/serenity.go b/consensus/serenity/serenity.go
index f923cf7ca67..03395e147c2 100644
--- a/consensus/serenity/serenity.go
+++ b/consensus/serenity/serenity.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"math/big"
 
+	"github.com/holiman/uint256"
 	"github.com/ledgerwatch/erigon-lib/chain"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 
@@ -136,7 +137,8 @@ func (s *Serenity) Finalize(config *chain.Config, header *types.Header, state *s
 		}
 	}
 	for _, w := range withdrawals {
-		state.AddBalance(w.Address, &w.Amount)
+		amountInWei := new(uint256.Int).Mul(uint256.NewInt(w.Amount), uint256.NewInt(params.GWei))
+		state.AddBalance(w.Address, amountInWei)
 	}
 	return txs, r, nil
 }
diff --git a/core/rawdb/accessors_chain_test.go b/core/rawdb/accessors_chain_test.go
index ed8dc2a60e8..8a2a2cb2d06 100644
--- a/core/rawdb/accessors_chain_test.go
+++ b/core/rawdb/accessors_chain_test.go
@@ -24,7 +24,6 @@ import (
 	"math/big"
 	"testing"
 
-	"github.com/holiman/uint256"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/kv/memdb"
 	"github.com/stretchr/testify/require"
@@ -446,14 +445,14 @@ func TestBlockWithdrawalsStorage(t *testing.T) {
 		Index:     uint64(15),
 		Validator: uint64(5500),
 		Address:   libcommon.Address{0: 0xff},
-		Amount:    *uint256.NewInt(1000),
+		Amount:    1000,
 	}
 
 	w2 := types.Withdrawal{
 		Index:     uint64(16),
 		Validator: uint64(5501),
 		Address:   libcommon.Address{0: 0xff},
-		Amount:    *uint256.NewInt(1001),
+		Amount:    1001,
 	}
 
 	withdrawals := make([]*types.Withdrawal, 0)
@@ -523,13 +522,13 @@ func TestBlockWithdrawalsStorage(t *testing.T) {
 	require.Equal(uint64(15), rw.Index)
 	require.Equal(uint64(5500), rw.Validator)
 	require.Equal(libcommon.Address{0: 0xff}, rw.Address)
-	require.Equal(*uint256.NewInt(1000), rw.Amount)
+	require.Equal(uint64(1000), rw.Amount)
 
 	require.NotNil(rw2)
 	require.Equal(uint64(16), rw2.Index)
 	require.Equal(uint64(5501), rw2.Validator)
 	require.Equal(libcommon.Address{0: 0xff}, rw2.Address)
-	require.Equal(*uint256.NewInt(1001), rw2.Amount)
+	require.Equal(uint64(1001), rw2.Amount)
 
 	// Delete the block and verify the execution
 	if err := TruncateBlocks(context.Background(), tx, block.NumberU64()); err != nil {
diff --git a/core/types/block_test.go b/core/types/block_test.go
index e0bc120f662..3145aa63944 100644
--- a/core/types/block_test.go
+++ b/core/types/block_test.go
@@ -408,13 +408,13 @@ func TestWithdrawalsEncoding(t *testing.T) {
 		Index:     44555666,
 		Validator: 89,
 		Address:   libcommon.HexToAddress("0x690b9a9e9aa1c9db991c7721a92d351db4fac990"),
-		Amount:    *uint256.NewInt(2 * params.Ether),
+		Amount:    2,
 	}
 	withdrawals[1] = &Withdrawal{
 		Index:     44555667,
 		Validator: 37,
 		Address:   libcommon.HexToAddress("0x95222290dd7278aa3ddd389cc1e1d165cc4bafe5"),
-		Amount:    *uint256.NewInt(5 * params.Ether),
+		Amount:    5_000_000_000,
 	}
 
 	block := NewBlock(&header, nil, nil, nil, withdrawals)
diff --git a/core/types/gen_withdrawal_json.go b/core/types/gen_withdrawal_json.go
index af790b14295..f2dbfef4b67 100644
--- a/core/types/gen_withdrawal_json.go
+++ b/core/types/gen_withdrawal_json.go
@@ -5,7 +5,6 @@ package types
 import (
 	"encoding/json"
 
-	"github.com/holiman/uint256"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 
 	"github.com/ledgerwatch/erigon/common/hexutil"
@@ -16,26 +15,26 @@ var _ = (*withdrawalMarshaling)(nil)
 // MarshalJSON marshals as JSON.
 func (w Withdrawal) MarshalJSON() ([]byte, error) {
 	type Withdrawal struct {
-		Index     hexutil.Uint64 `json:"index"`
-		Validator hexutil.Uint64 `json:"validatorIndex"`
+		Index     hexutil.Uint64    `json:"index"`
+		Validator hexutil.Uint64    `json:"validatorIndex"`
 		Address   libcommon.Address `json:"address"`
-		Amount    uint256.Int    `json:"amount"`
+		Amount    hexutil.Uint64    `json:"amount"`
 	}
 	var enc Withdrawal
 	enc.Index = hexutil.Uint64(w.Index)
 	enc.Validator = hexutil.Uint64(w.Validator)
 	enc.Address = w.Address
-	enc.Amount = w.Amount
+	enc.Amount = hexutil.Uint64(w.Amount)
 	return json.Marshal(&enc)
 }
 
 // UnmarshalJSON unmarshals from JSON.
 func (w *Withdrawal) UnmarshalJSON(input []byte) error {
 	type Withdrawal struct {
-		Index     *hexutil.Uint64 `json:"index"`
-		Validator *hexutil.Uint64 `json:"validatorIndex"`
+		Index     *hexutil.Uint64    `json:"index"`
+		Validator *hexutil.Uint64    `json:"validatorIndex"`
 		Address   *libcommon.Address `json:"address"`
-		Amount    *uint256.Int    `json:"amount"`
+		Amount    *hexutil.Uint64    `json:"amount"`
 	}
 	var dec Withdrawal
 	if err := json.Unmarshal(input, &dec); err != nil {
@@ -51,7 +50,7 @@ func (w *Withdrawal) UnmarshalJSON(input []byte) error {
 		w.Address = *dec.Address
 	}
 	if dec.Amount != nil {
-		w.Amount = *dec.Amount
+		w.Amount = uint64(*dec.Amount)
 	}
 	return nil
 }
diff --git a/core/types/withdrawal.go b/core/types/withdrawal.go
index 5299d795c12..3ceba34e9ca 100644
--- a/core/types/withdrawal.go
+++ b/core/types/withdrawal.go
@@ -21,7 +21,6 @@ import (
 	"fmt"
 	"io"
 
-	"github.com/holiman/uint256"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/common/length"
 
@@ -39,7 +38,7 @@ type Withdrawal struct {
 	Index     uint64            `json:"index"`          // monotonically increasing identifier issued by consensus layer
 	Validator uint64            `json:"validatorIndex"` // index of validator associated with withdrawal
 	Address   libcommon.Address `json:"address"`        // target address for withdrawn ether
-	Amount    uint256.Int       `json:"amount"`         // value of withdrawal in wei
+	Amount    uint64            `json:"amount"`         // value of withdrawal in GWei
 }
 
 func (obj *Withdrawal) EncodingSize() int {
@@ -49,7 +48,7 @@ func (obj *Withdrawal) EncodingSize() int {
 	encodingSize++
 	encodingSize += rlp.IntLenExcludingHead(obj.Validator)
 	encodingSize++
-	encodingSize += rlp.Uint256LenExcludingHead(&obj.Amount)
+	encodingSize += rlp.IntLenExcludingHead(obj.Amount)
 	return encodingSize
 }
 
@@ -76,7 +75,7 @@ func (obj *Withdrawal) EncodeRLP(w io.Writer) error {
 		return err
 	}
 
-	return obj.Amount.EncodeRLP(w)
+	return rlp.EncodeInt(obj.Amount, w, b[:])
 }
 
 func (obj *Withdrawal) EncodeSSZ() []byte {
@@ -84,8 +83,7 @@ func (obj *Withdrawal) EncodeSSZ() []byte {
 	ssz_utils.MarshalUint64SSZ(buf, obj.Index)
 	ssz_utils.MarshalUint64SSZ(buf[8:], obj.Validator)
 	copy(buf[16:], obj.Address[:])
-	// Supports only GWEI format.
-	ssz_utils.MarshalUint64SSZ(buf[36:], obj.Amount.Uint64())
+	ssz_utils.MarshalUint64SSZ(buf[36:], obj.Amount)
 	return buf
 }
 
@@ -96,7 +94,7 @@ func (obj *Withdrawal) DecodeSSZ(buf []byte) error {
 	obj.Index = ssz_utils.UnmarshalUint64SSZ(buf)
 	obj.Validator = ssz_utils.UnmarshalUint64SSZ(buf[8:])
 	copy(obj.Address[:], buf[16:])
-	obj.Amount = *uint256.NewInt(ssz_utils.UnmarshalUint64SSZ(buf[36:]))
+	obj.Amount = ssz_utils.UnmarshalUint64SSZ(buf[36:])
 	return nil
 }
 
@@ -112,7 +110,7 @@ func (obj *Withdrawal) HashSSZ() ([32]byte, error) { // the [32]byte is temporar
 		merkle_tree.Uint64Root(obj.Index),
 		merkle_tree.Uint64Root(obj.Validator),
 		addressLeaf,
-		merkle_tree.Uint64Root(obj.Amount.Uint64()),
+		merkle_tree.Uint64Root(obj.Amount),
 	}, 4)
 }
 
@@ -138,10 +136,9 @@ func (obj *Withdrawal) DecodeRLP(s *rlp.Stream) error {
 	}
 	copy(obj.Address[:], b)
 
-	if b, err = s.Uint256Bytes(); err != nil {
+	if obj.Amount, err = s.Uint(); err != nil {
 		return fmt.Errorf("read Amount: %w", err)
 	}
-	obj.Amount.SetBytes(b)
 
 	return s.ListEnd()
 }
@@ -150,7 +147,7 @@ func (obj *Withdrawal) DecodeRLP(s *rlp.Stream) error {
 type withdrawalMarshaling struct {
 	Index     hexutil.Uint64
 	Validator hexutil.Uint64
-	Amount    *hexutil.Big
+	Amount    hexutil.Uint64
 }
 
 // Withdrawals implements DerivableList for withdrawals.
diff --git a/core/types/withdrawal_test.go b/core/types/withdrawal_test.go
index fa45ac87c15..9f683bffc7a 100644
--- a/core/types/withdrawal_test.go
+++ b/core/types/withdrawal_test.go
@@ -3,13 +3,11 @@ package types
 import (
 	"testing"
 
-	"github.com/holiman/uint256"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
 	"github.com/ledgerwatch/erigon/common"
-	"github.com/ledgerwatch/erigon/common/u256"
 )
 
 func TestWithdrawalsHash(t *testing.T) {
@@ -17,7 +15,7 @@ func TestWithdrawalsHash(t *testing.T) {
 		Index:     0,
 		Validator: 0,
 		Address:   libcommon.HexToAddress("0x6295ee1b4f6dd65047762f924ecd367c17eabf8f"),
-		Amount:    *u256.Num1,
+		Amount:    1,
 	}
 	withdrawals := Withdrawals([]*Withdrawal{w})
 	hash := DeriveSha(withdrawals)
@@ -33,7 +31,7 @@ var testWithdrawal = &Withdrawal{
 	Index:     9170781944418253065,
 	Validator: 16033042974434771745,
 	Address:   libcommon.HexToAddress("0xdbbcbcbeee17b2395d5d3f839fc1ba3559d1a73e"),
-	Amount:    *uint256.NewInt(15157676145812061173),
+	Amount:    15157676145812061173,
 }
 
 func TestWithdrawalSSZ(t *testing.T) {
diff --git a/ethdb/privateapi/ethbackend.go b/ethdb/privateapi/ethbackend.go
index e27a27070f2..6739c798cbd 100644
--- a/ethdb/privateapi/ethbackend.go
+++ b/ethdb/privateapi/ethbackend.go
@@ -724,7 +724,7 @@ func ConvertWithdrawalsFromRpc(in []*types2.Withdrawal) []*types.Withdrawal {
 			Index:     w.Index,
 			Validator: w.ValidatorIndex,
 			Address:   gointerfaces.ConvertH160toAddress(w.Address),
-			Amount:    *gointerfaces.ConvertH256ToUint256Int(w.Amount),
+			Amount:    w.Amount,
 		})
 	}
 	return out
@@ -737,7 +737,7 @@ func ConvertWithdrawalsToRpc(in []*types.Withdrawal) []*types2.Withdrawal {
 			Index:          w.Index,
 			ValidatorIndex: w.Validator,
 			Address:        gointerfaces.ConvertAddressToH160(w.Address),
-			Amount:         gointerfaces.ConvertUint256IntToH256(&w.Amount),
+			Amount:         w.Amount,
 		})
 	}
 	return out
diff --git a/go.mod b/go.mod
index 65bdcf9fdee..9fe93123b29 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/ledgerwatch/erigon
 go 1.18
 
 require (
-	github.com/ledgerwatch/erigon-lib v0.0.0-20230117064926-4d298d0017b0
+	github.com/ledgerwatch/erigon-lib v0.0.0-20230117095843-fc3dd4fd2789
 	github.com/ledgerwatch/erigon-snapshot v1.1.1-0.20230117072003-4cc5ebded386
 	github.com/ledgerwatch/log/v3 v3.7.0
 	github.com/ledgerwatch/secp256k1 v1.0.0
diff --git a/go.sum b/go.sum
index a4dbc9586db..12305f16a06 100644
--- a/go.sum
+++ b/go.sum
@@ -565,8 +565,8 @@ github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kylelemons/godebug v0.0.0-20170224010052-a616ab194758 h1:0D5M2HQSGD3PYPwICLl+/9oulQauOuETfgFvhBDffs0=
 github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
 github.com/leanovate/gopter v0.2.9/go.mod h1:U2L/78B+KVFIx2VmW6onHJQzXtFb+p5y3y2Sh+Jxxv8=
-github.com/ledgerwatch/erigon-lib v0.0.0-20230117064926-4d298d0017b0 h1:eNvCZ1rQO//pQRoNW7VqwEO3YiP3TW8mcam7k4fTQfo=
-github.com/ledgerwatch/erigon-lib v0.0.0-20230117064926-4d298d0017b0/go.mod h1:tsfqxwRd5LYjXQyrC085+61iHp6Vwi1nOhxjro3w0Wo=
+github.com/ledgerwatch/erigon-lib v0.0.0-20230117095843-fc3dd4fd2789 h1:y/XlIJal2I99Eu/zQj6aM3oynxmK0Xc89nUG/WCMVsY=
+github.com/ledgerwatch/erigon-lib v0.0.0-20230117095843-fc3dd4fd2789/go.mod h1:1UHFnZQCpr37W397IJf68OxYv3iQmBTU9D7t3LUHbPo=
 github.com/ledgerwatch/erigon-snapshot v1.1.1-0.20230117072003-4cc5ebded386 h1:dpTtuW3uRhwbS81yWRX1arSLDyCDFfe8MWGhXx5lGas=
 github.com/ledgerwatch/erigon-snapshot v1.1.1-0.20230117072003-4cc5ebded386/go.mod h1:3AuPxZc85jkehh/HA9h8gabv5MSi3kb/ddtzBsTVJFo=
 github.com/ledgerwatch/log/v3 v3.7.0 h1:aFPEZdwZx4jzA3+/Pf8wNDN5tCI0cIolq/kfvgcM+og=
diff --git a/tests/block_test.go b/tests/block_test.go
index c9b7fa017fc..9dfbd951af5 100644
--- a/tests/block_test.go
+++ b/tests/block_test.go
@@ -38,6 +38,10 @@ func TestBlockchain(t *testing.T) {
 	// For speedier CI-runs those are skipped.
 	bt.skipLoad(`^GeneralStateTests/`)
 
+	// TODO(yperbasis): re-enable after the tests are updated to GWei
+	bt.skipLoad(`^EIPTests/bc4895-withdrawals/`)
+	bt.skipLoad(`^TransitionTests/bcMergeToShanghai/`)
+
 	// Currently it fails because SpawnStageHeaders doesn't accept any PoW blocks after PoS transition
 	// TODO(yperbasis): make it work
 	bt.skipLoad(`^TransitionTests/bcArrowGlacierToMerge/powToPosBlockRejection\.json`)
diff --git a/tests/exec_spec_test.go b/tests/exec_spec_test.go
index 7ad629c6255..a4041efbc25 100644
--- a/tests/exec_spec_test.go
+++ b/tests/exec_spec_test.go
@@ -15,8 +15,8 @@ func TestExecutionSpec(t *testing.T) {
 
 	dir := filepath.Join(".", "execution-spec-tests")
 
-	// Failing because the fixture was filled by geth w/o EIP-3860
-	bt.skipLoad(`^withdrawals/withdrawals/withdrawals_newly_created_contract.json`)
+	// TODO(yperbasis): re-fill and re-enable after Wei -> Gwei in geth
+	bt.skipLoad(`^withdrawals/withdrawals`)
 
 	bt.walk(t, dir, func(t *testing.T, name string, test *BlockTest) {
 		// import pre accounts & construct test genesis block & state root