diff --git a/proto/interchain_security/ccv/v1/ccv.proto b/proto/interchain_security/ccv/v1/ccv.proto
index ffae373aa6..1f3722a234 100644
--- a/proto/interchain_security/ccv/v1/ccv.proto
+++ b/proto/interchain_security/ccv/v1/ccv.proto
@@ -84,4 +84,42 @@ enum ConsumerPacketDataType {
   // VSCMatured packet
   CONSUMER_PACKET_TYPE_VSCM = 2
       [ (gogoproto.enumvalue_customname) = "VscMaturedPacket" ];
-}
\ No newline at end of file
+}
+
+// ConsumerPacketData contains a consumer packet data and a type tag
+// that is compatible with ICS v1 and v2 over the wire. It is not used for internal storage.
+message ConsumerPacketDataV1 {
+  ConsumerPacketDataType type = 1;
+
+  oneof data {
+    SlashPacketDataV1 slashPacketData = 2;
+    VSCMaturedPacketData vscMaturedPacketData = 3;
+  }
+}
+
+// This packet is sent from the consumer chain to the provider chain
+// It is backward compatible with the ICS v1 and v2 version of the packet.
+message SlashPacketDataV1 {
+  tendermint.abci.Validator validator = 1 [
+    (gogoproto.nullable) = false,
+    (gogoproto.moretags) = "yaml:\"validator\""
+  ];
+  // map to the infraction block height on the provider
+  uint64 valset_update_id = 2;
+  // tell if the slashing is for a downtime or a double-signing infraction
+  InfractionType infraction = 3;
+}
+
+// InfractionType indicates the infraction type a validator commited.
+// NOTE: ccv.InfractionType to maintain compatibility between ICS versions
+// using different versions of the cosmos-sdk and ibc-go modules.
+enum InfractionType {
+  option (gogoproto.goproto_enum_prefix) = false;
+
+  // UNSPECIFIED defines an empty infraction type.
+  INFRACTION_TYPE_UNSPECIFIED = 0 [(gogoproto.enumvalue_customname) = "InfractionEmpty"];
+  // DOUBLE_SIGN defines a validator that double-signs a block.
+  INFRACTION_TYPE_DOUBLE_SIGN = 1 [(gogoproto.enumvalue_customname) = "DoubleSign"];
+  // DOWNTIME defines a validator that missed signing too many blocks.
+  INFRACTION_TYPE_DOWNTIME = 2 [(gogoproto.enumvalue_customname) = "Downtime"];
+}
diff --git a/tests/integration/throttle.go b/tests/integration/throttle.go
index 92800cd1bb..0620bdd6b6 100644
--- a/tests/integration/throttle.go
+++ b/tests/integration/throttle.go
@@ -9,6 +9,7 @@ import (
 	channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
 
 	icstestingutils "github.com/cosmos/interchain-security/v3/testutil/ibc_testing"
+	"github.com/cosmos/interchain-security/v3/x/ccv/provider"
 	providertypes "github.com/cosmos/interchain-security/v3/x/ccv/provider/types"
 	ccvtypes "github.com/cosmos/interchain-security/v3/x/ccv/types"
 )
@@ -314,8 +315,8 @@ func (s *CCVTestSuite) TestPacketSpam() {
 
 	// Recv 500 packets from consumer to provider in same block
 	for _, packet := range packets {
-		consumerPacketData := ccvtypes.ConsumerPacketData{}
-		ccvtypes.ModuleCdc.MustUnmarshalJSON(packet.GetData(), &consumerPacketData)
+		consumerPacketData, err := provider.UnmarshalConsumerPacket(packet) // Same func used by provider's OnRecvPacket
+		s.Require().NoError(err)
 		providerKeeper.OnRecvSlashPacket(s.providerCtx(), packet, *consumerPacketData.GetSlashPacketData())
 	}
 
@@ -368,8 +369,8 @@ func (s *CCVTestSuite) TestDoubleSignDoesNotAffectThrottling() {
 
 	// Recv 500 packets from consumer to provider in same block
 	for _, packet := range packets {
-		consumerPacketData := ccvtypes.ConsumerPacketData{}
-		ccvtypes.ModuleCdc.MustUnmarshalJSON(packet.GetData(), &consumerPacketData)
+		consumerPacketData, err := provider.UnmarshalConsumerPacket(packet) // Same func used by provider's OnRecvPacket
+		s.Require().NoError(err)
 		providerKeeper.OnRecvSlashPacket(s.providerCtx(), packet, *consumerPacketData.GetSlashPacketData())
 	}
 
@@ -464,8 +465,10 @@ func (s *CCVTestSuite) TestQueueOrdering() {
 
 	// Recv 500 packets from consumer to provider in same block
 	for i, packet := range packets {
-		consumerPacketData := ccvtypes.ConsumerPacketData{}
-		ccvtypes.ModuleCdc.MustUnmarshalJSON(packet.GetData(), &consumerPacketData)
+
+		consumerPacketData, err := provider.UnmarshalConsumerPacket(packet) // Same func used by provider's OnRecvPacket
+		s.Require().NoError(err)
+
 		// Type depends on index packets were appended from above
 		if (i+5)%10 == 0 {
 			vscMaturedPacketData := consumerPacketData.GetVscMaturedPacketData()
@@ -678,8 +681,8 @@ func (s *CCVTestSuite) TestSlashSameValidator() {
 
 	// Recv and queue all slash packets.
 	for _, packet := range packets {
-		consumerPacketData := ccvtypes.ConsumerPacketData{}
-		ccvtypes.ModuleCdc.MustUnmarshalJSON(packet.GetData(), &consumerPacketData)
+		consumerPacketData, err := provider.UnmarshalConsumerPacket(packet) // Same func used by provider's OnRecvPacket
+		s.Require().NoError(err)
 		providerKeeper.OnRecvSlashPacket(s.providerCtx(), packet, *consumerPacketData.GetSlashPacketData())
 	}
 
@@ -739,8 +742,8 @@ func (s CCVTestSuite) TestSlashAllValidators() { //nolint:govet // this is a tes
 
 	// Recv and queue all slash packets.
 	for _, packet := range packets {
-		consumerPacketData := ccvtypes.ConsumerPacketData{}
-		ccvtypes.ModuleCdc.MustUnmarshalJSON(packet.GetData(), &consumerPacketData)
+		consumerPacketData, err := provider.UnmarshalConsumerPacket(packet) // Same func used by provider's OnRecvPacket
+		s.Require().NoError(err)
 		providerKeeper.OnRecvSlashPacket(s.providerCtx(), packet, *consumerPacketData.GetSlashPacketData())
 	}
 
@@ -786,10 +789,9 @@ func (s *CCVTestSuite) TestLeadingVSCMaturedAreDequeued() {
 			ibcSeqNum := uint64(i)
 			packet := s.constructSlashPacketFromConsumer(*bundle,
 				*s.providerChain.Vals.Validators[0], stakingtypes.Infraction_INFRACTION_DOWNTIME, ibcSeqNum)
-			packetData := ccvtypes.ConsumerPacketData{}
-			ccvtypes.ModuleCdc.MustUnmarshalJSON(packet.GetData(), &packetData)
-			providerKeeper.OnRecvSlashPacket(s.providerCtx(),
-				packet, *packetData.GetSlashPacketData())
+			consumerPacketData, err := provider.UnmarshalConsumerPacket(packet) // Same func used by provider's OnRecvPacket
+			s.Require().NoError(err)
+			providerKeeper.OnRecvSlashPacket(s.providerCtx(), packet, *consumerPacketData.GetSlashPacketData())
 		}
 	}
 
@@ -877,10 +879,9 @@ func (s *CCVTestSuite) TestVscMaturedHandledPerBlockLimit() {
 			ibcSeqNum := uint64(i)
 			packet := s.constructSlashPacketFromConsumer(*bundle,
 				*s.providerChain.Vals.Validators[0], stakingtypes.Infraction_INFRACTION_DOWNTIME, ibcSeqNum)
-			packetData := ccvtypes.ConsumerPacketData{}
-			ccvtypes.ModuleCdc.MustUnmarshalJSON(packet.GetData(), &packetData)
-			providerKeeper.OnRecvSlashPacket(s.providerCtx(),
-				packet, *packetData.GetSlashPacketData())
+			consumerPacketData, err := provider.UnmarshalConsumerPacket(packet) // Same func used by provider's OnRecvPacket
+			s.Require().NoError(err)
+			providerKeeper.OnRecvSlashPacket(s.providerCtx(), packet, *consumerPacketData.GetSlashPacketData())
 		}
 	}
 
diff --git a/x/ccv/provider/ibc_module.go b/x/ccv/provider/ibc_module.go
index df0f6066a3..698d37385b 100644
--- a/x/ccv/provider/ibc_module.go
+++ b/x/ccv/provider/ibc_module.go
@@ -174,29 +174,26 @@ func (am AppModule) OnRecvPacket(
 	packet channeltypes.Packet,
 	_ sdk.AccAddress,
 ) ibcexported.Acknowledgement {
-	var (
-		ack            ibcexported.Acknowledgement
-		consumerPacket ccv.ConsumerPacketData
-	)
-	// unmarshall consumer packet
-	if err := ccv.ModuleCdc.UnmarshalJSON(packet.GetData(), &consumerPacket); err != nil {
-		errAck := ccv.NewErrorAcknowledgementWithLog(ctx, fmt.Errorf("cannot unmarshal CCV packet data"))
+	consumerPacket, err := UnmarshalConsumerPacket(packet)
+	if err != nil {
+		errAck := ccv.NewErrorAcknowledgementWithLog(ctx, err)
+		return &errAck
+	}
+
+	// TODO: call ValidateBasic method on consumer packet data
+	// See: https://github.com/cosmos/interchain-security/issues/634
+
+	var ack ibcexported.Acknowledgement
+	switch consumerPacket.Type {
+	case ccv.VscMaturedPacket:
+		// handle VSCMaturedPacket
+		ack = am.keeper.OnRecvVSCMaturedPacket(ctx, packet, *consumerPacket.GetVscMaturedPacketData())
+	case ccv.SlashPacket:
+		// handle SlashPacket
+		ack = am.keeper.OnRecvSlashPacket(ctx, packet, *consumerPacket.GetSlashPacketData())
+	default:
+		errAck := ccv.NewErrorAcknowledgementWithLog(ctx, fmt.Errorf("invalid consumer packet type: %q", consumerPacket.Type))
 		ack = &errAck
-	} else {
-		// TODO: call ValidateBasic method on consumer packet data
-		// See: https://github.com/cosmos/interchain-security/issues/634
-
-		switch consumerPacket.Type {
-		case ccv.VscMaturedPacket:
-			// handle VSCMaturedPacket
-			ack = am.keeper.OnRecvVSCMaturedPacket(ctx, packet, *consumerPacket.GetVscMaturedPacketData())
-		case ccv.SlashPacket:
-			// handle SlashPacket
-			ack = am.keeper.OnRecvSlashPacket(ctx, packet, *consumerPacket.GetSlashPacketData())
-		default:
-			errAck := ccv.NewErrorAcknowledgementWithLog(ctx, fmt.Errorf("invalid consumer packet type: %q", consumerPacket.Type))
-			ack = &errAck
-		}
 	}
 
 	ctx.EventManager().EmitEvent(
@@ -210,6 +207,33 @@ func (am AppModule) OnRecvPacket(
 	return ack
 }
 
+func UnmarshalConsumerPacket(packet channeltypes.Packet) (consumerPacket ccv.ConsumerPacketData, err error) {
+	// First try unmarshaling into ccv.ConsumerPacketData type
+	if err := ccv.ModuleCdc.UnmarshalJSON(packet.GetData(), &consumerPacket); err != nil {
+		// If failed, packet should be a v1 slash packet, retry for ConsumerPacketDataV1 packet type
+		var v1Packet ccv.ConsumerPacketDataV1
+		errV1 := ccv.ModuleCdc.UnmarshalJSON(packet.GetData(), &v1Packet)
+		if errV1 != nil {
+			// If neither worked, return error
+			return ccv.ConsumerPacketData{}, errV1
+		}
+
+		// VSC matured packets should not be unmarshaled as v1 packets
+		if v1Packet.Type == ccv.VscMaturedPacket {
+			return ccv.ConsumerPacketData{}, fmt.Errorf("VSC matured packets should be correctly unmarshaled")
+		}
+
+		// Convert from v1 packet type
+		consumerPacket = ccv.ConsumerPacketData{
+			Type: v1Packet.Type,
+			Data: &ccv.ConsumerPacketData_SlashPacketData{
+				SlashPacketData: v1Packet.GetSlashPacketData().FromV1(),
+			},
+		}
+	}
+	return consumerPacket, nil
+}
+
 // OnAcknowledgementPacket implements the IBCModule interface
 func (am AppModule) OnAcknowledgementPacket(
 	ctx sdk.Context,
diff --git a/x/ccv/provider/ibc_module_test.go b/x/ccv/provider/ibc_module_test.go
index 42279fbb73..96e0eb97d1 100644
--- a/x/ccv/provider/ibc_module_test.go
+++ b/x/ccv/provider/ibc_module_test.go
@@ -7,6 +7,7 @@ import (
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 	capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
 
+	"github.com/cosmos/ibc-go/v7/modules/core/02-client/types"
 	conntypes "github.com/cosmos/ibc-go/v7/modules/core/03-connection/types"
 	channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
 	host "github.com/cosmos/ibc-go/v7/modules/core/24-host"
@@ -338,3 +339,62 @@ func TestOnChanOpenConfirm(t *testing.T) {
 		ctrl.Finish()
 	}
 }
+
+func TestUnmarshalConsumerPacket(t *testing.T) {
+	testCases := []struct {
+		name               string
+		packet             channeltypes.Packet
+		expectedPacketData ccv.ConsumerPacketData
+	}{
+		{
+			name: "vsc matured",
+			packet: channeltypes.NewPacket(
+				ccv.ConsumerPacketData{
+					Type: ccv.VscMaturedPacket,
+					Data: &ccv.ConsumerPacketData_VscMaturedPacketData{
+						VscMaturedPacketData: &ccv.VSCMaturedPacketData{
+							ValsetUpdateId: 420,
+						},
+					},
+				}.GetBytes(),
+				342, "sourcePort", "sourceChannel", "destinationPort", "destinationChannel", types.Height{}, 0,
+			),
+			expectedPacketData: ccv.ConsumerPacketData{
+				Type: ccv.VscMaturedPacket,
+				Data: &ccv.ConsumerPacketData_VscMaturedPacketData{
+					VscMaturedPacketData: &ccv.VSCMaturedPacketData{
+						ValsetUpdateId: 420,
+					},
+				},
+			},
+		},
+		{
+			name: "slash packet",
+			packet: channeltypes.NewPacket(
+				ccv.ConsumerPacketData{
+					Type: ccv.SlashPacket,
+					Data: &ccv.ConsumerPacketData_SlashPacketData{
+						SlashPacketData: &ccv.SlashPacketData{
+							ValsetUpdateId: 789,
+						},
+					},
+				}.GetBytes(), // Note packet data is converted to v1 bytes here
+				342, "sourcePort", "sourceChannel", "destinationPort", "destinationChannel", types.Height{}, 0,
+			),
+			expectedPacketData: ccv.ConsumerPacketData{
+				Type: ccv.SlashPacket,
+				Data: &ccv.ConsumerPacketData_SlashPacketData{
+					SlashPacketData: &ccv.SlashPacketData{
+						ValsetUpdateId: 789,
+					},
+				},
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		actualConsumerPacketData, err := provider.UnmarshalConsumerPacket(tc.packet)
+		require.NoError(t, err)
+		require.Equal(t, tc.expectedPacketData, actualConsumerPacketData)
+	}
+}
diff --git a/x/ccv/provider/proposal_handler_test.go b/x/ccv/provider/proposal_handler_test.go
index 4f78695935..a85853a246 100644
--- a/x/ccv/provider/proposal_handler_test.go
+++ b/x/ccv/provider/proposal_handler_test.go
@@ -81,7 +81,8 @@ func TestProviderProposalHandler(t *testing.T) {
 		{
 			name: "unsupported proposal type",
 			// lint rule disabled because this is a test case for an unsupported proposal type
-			content: &distributiontypes.CommunityPoolSpendProposal{ // nolint:staticcheck
+			// nolint:staticcheck
+			content: &distributiontypes.CommunityPoolSpendProposal{
 				Title:       "title",
 				Description: "desc",
 				Recipient:   "",
diff --git a/x/ccv/types/ccv.go b/x/ccv/types/ccv.go
index 62111a7b65..e7739b4c2f 100644
--- a/x/ccv/types/ccv.go
+++ b/x/ccv/types/ccv.go
@@ -59,6 +59,23 @@ func NewSlashPacketData(validator abci.Validator, valUpdateId uint64, infraction
 	}
 }
 
+// NewSlashPacketDataV1 creates a new SlashPacketDataV1 that uses ccv.InfractionTypes to maintain backward compatibility.
+func NewSlashPacketDataV1(validator abci.Validator, valUpdateId uint64, infractionType stakingtypes.Infraction) *SlashPacketDataV1 {
+	v1Type := InfractionEmpty
+	switch infractionType {
+	case stakingtypes.Infraction_INFRACTION_DOWNTIME:
+		v1Type = Downtime
+	case stakingtypes.Infraction_INFRACTION_DOUBLE_SIGN:
+		v1Type = DoubleSign
+	}
+
+	return &SlashPacketDataV1{
+		Validator:      validator,
+		ValsetUpdateId: valUpdateId,
+		Infraction:     v1Type,
+	}
+}
+
 func (vdt SlashPacketData) ValidateBasic() error {
 	if len(vdt.Validator.Address) == 0 || vdt.Validator.Power == 0 {
 		return errorsmod.Wrap(ErrInvalidPacketData, "validator fields cannot be empty")
@@ -76,6 +93,10 @@ func (vdt SlashPacketData) GetBytes() []byte {
 	return valDowntimeBytes
 }
 
+func (vdt SlashPacketData) ToV1() *SlashPacketDataV1 {
+	return NewSlashPacketDataV1(vdt.Validator, vdt.ValsetUpdateId, vdt.Infraction)
+}
+
 func (cp ConsumerPacketData) ValidateBasic() (err error) {
 	switch cp.Type {
 	case VscMaturedPacket:
@@ -99,7 +120,45 @@ func (cp ConsumerPacketData) ValidateBasic() (err error) {
 	return
 }
 
+// Convert to bytes while maintaining over the wire compatibility with previous versions.
 func (cp ConsumerPacketData) GetBytes() []byte {
-	bytes := ModuleCdc.MustMarshalJSON(&cp)
+	return cp.ToV1Bytes()
+}
+
+// ToV1Bytes converts the ConsumerPacketData to JSON byte array compatible
+// with the format used by ICS versions using cosmos-sdk v45 (ICS v1 and ICS v2).
+func (cp ConsumerPacketData) ToV1Bytes() []byte {
+	if cp.Type != SlashPacket {
+		bytes := ModuleCdc.MustMarshalJSON(&cp)
+		return bytes
+	}
+
+	sp := cp.GetSlashPacketData()
+	spdv1 := NewSlashPacketDataV1(sp.Validator, sp.ValsetUpdateId, sp.Infraction)
+	cpv1 := ConsumerPacketDataV1{
+		Type: cp.Type,
+		Data: &ConsumerPacketDataV1_SlashPacketData{
+			SlashPacketData: spdv1,
+		},
+	}
+	bytes := ModuleCdc.MustMarshalJSON(&cpv1)
 	return bytes
 }
+
+// FromV1 converts SlashPacketDataV1 to SlashPacketData.
+// Provider must handle both V1 and later versions of the SlashPacketData.
+func (vdt1 SlashPacketDataV1) FromV1() *SlashPacketData {
+	newType := stakingtypes.Infraction_INFRACTION_UNSPECIFIED
+	switch vdt1.Infraction {
+	case Downtime:
+		newType = stakingtypes.Infraction_INFRACTION_DOWNTIME
+	case DoubleSign:
+		newType = stakingtypes.Infraction_INFRACTION_DOUBLE_SIGN
+	}
+
+	return &SlashPacketData{
+		Validator:      vdt1.Validator,
+		ValsetUpdateId: vdt1.ValsetUpdateId,
+		Infraction:     newType,
+	}
+}
diff --git a/x/ccv/types/ccv.pb.go b/x/ccv/types/ccv.pb.go
index 21d0b32f0b..c2f0bd3ecc 100644
--- a/x/ccv/types/ccv.pb.go
+++ b/x/ccv/types/ccv.pb.go
@@ -57,6 +57,40 @@ func (ConsumerPacketDataType) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_68bd5f3242e6f29c, []int{0}
 }
 
+// InfractionType indicates the infraction type a validator commited.
+// NOTE: ccv.InfractionType to maintain compatibility between ICS versions
+// using different versions of the cosmos-sdk and ibc-go modules.
+type InfractionType int32
+
+const (
+	// UNSPECIFIED defines an empty infraction type.
+	InfractionEmpty InfractionType = 0
+	// DOUBLE_SIGN defines a validator that double-signs a block.
+	DoubleSign InfractionType = 1
+	// DOWNTIME defines a validator that missed signing too many blocks.
+	Downtime InfractionType = 2
+)
+
+var InfractionType_name = map[int32]string{
+	0: "INFRACTION_TYPE_UNSPECIFIED",
+	1: "INFRACTION_TYPE_DOUBLE_SIGN",
+	2: "INFRACTION_TYPE_DOWNTIME",
+}
+
+var InfractionType_value = map[string]int32{
+	"INFRACTION_TYPE_UNSPECIFIED": 0,
+	"INFRACTION_TYPE_DOUBLE_SIGN": 1,
+	"INFRACTION_TYPE_DOWNTIME":    2,
+}
+
+func (x InfractionType) String() string {
+	return proto.EnumName(InfractionType_name, int32(x))
+}
+
+func (InfractionType) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_68bd5f3242e6f29c, []int{1}
+}
+
 // This packet is sent from provider chain to consumer chain if the validator
 // set for consumer chain changes (due to new bonding/unbonding messages or
 // slashing events) A VSCMatured packet from consumer chain will be sent
@@ -466,8 +500,168 @@ func (m *ConsumerPacketDataList) GetList() []ConsumerPacketData {
 	return nil
 }
 
+// ConsumerPacketData contains a consumer packet data and a type tag
+// that is compatible with ICS v1 and v2 over the wire. It is not used for internal storage.
+type ConsumerPacketDataV1 struct {
+	Type ConsumerPacketDataType `protobuf:"varint,1,opt,name=type,proto3,enum=interchain_security.ccv.v1.ConsumerPacketDataType" json:"type,omitempty"`
+	// Types that are valid to be assigned to Data:
+	//	*ConsumerPacketDataV1_SlashPacketData
+	//	*ConsumerPacketDataV1_VscMaturedPacketData
+	Data isConsumerPacketDataV1_Data `protobuf_oneof:"data"`
+}
+
+func (m *ConsumerPacketDataV1) Reset()         { *m = ConsumerPacketDataV1{} }
+func (m *ConsumerPacketDataV1) String() string { return proto.CompactTextString(m) }
+func (*ConsumerPacketDataV1) ProtoMessage()    {}
+func (*ConsumerPacketDataV1) Descriptor() ([]byte, []int) {
+	return fileDescriptor_68bd5f3242e6f29c, []int{7}
+}
+func (m *ConsumerPacketDataV1) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *ConsumerPacketDataV1) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_ConsumerPacketDataV1.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *ConsumerPacketDataV1) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ConsumerPacketDataV1.Merge(m, src)
+}
+func (m *ConsumerPacketDataV1) XXX_Size() int {
+	return m.Size()
+}
+func (m *ConsumerPacketDataV1) XXX_DiscardUnknown() {
+	xxx_messageInfo_ConsumerPacketDataV1.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ConsumerPacketDataV1 proto.InternalMessageInfo
+
+type isConsumerPacketDataV1_Data interface {
+	isConsumerPacketDataV1_Data()
+	MarshalTo([]byte) (int, error)
+	Size() int
+}
+
+type ConsumerPacketDataV1_SlashPacketData struct {
+	SlashPacketData *SlashPacketDataV1 `protobuf:"bytes,2,opt,name=slashPacketData,proto3,oneof" json:"slashPacketData,omitempty"`
+}
+type ConsumerPacketDataV1_VscMaturedPacketData struct {
+	VscMaturedPacketData *VSCMaturedPacketData `protobuf:"bytes,3,opt,name=vscMaturedPacketData,proto3,oneof" json:"vscMaturedPacketData,omitempty"`
+}
+
+func (*ConsumerPacketDataV1_SlashPacketData) isConsumerPacketDataV1_Data()      {}
+func (*ConsumerPacketDataV1_VscMaturedPacketData) isConsumerPacketDataV1_Data() {}
+
+func (m *ConsumerPacketDataV1) GetData() isConsumerPacketDataV1_Data {
+	if m != nil {
+		return m.Data
+	}
+	return nil
+}
+
+func (m *ConsumerPacketDataV1) GetType() ConsumerPacketDataType {
+	if m != nil {
+		return m.Type
+	}
+	return UnspecifiedPacket
+}
+
+func (m *ConsumerPacketDataV1) GetSlashPacketData() *SlashPacketDataV1 {
+	if x, ok := m.GetData().(*ConsumerPacketDataV1_SlashPacketData); ok {
+		return x.SlashPacketData
+	}
+	return nil
+}
+
+func (m *ConsumerPacketDataV1) GetVscMaturedPacketData() *VSCMaturedPacketData {
+	if x, ok := m.GetData().(*ConsumerPacketDataV1_VscMaturedPacketData); ok {
+		return x.VscMaturedPacketData
+	}
+	return nil
+}
+
+// XXX_OneofWrappers is for the internal use of the proto package.
+func (*ConsumerPacketDataV1) XXX_OneofWrappers() []interface{} {
+	return []interface{}{
+		(*ConsumerPacketDataV1_SlashPacketData)(nil),
+		(*ConsumerPacketDataV1_VscMaturedPacketData)(nil),
+	}
+}
+
+// This packet is sent from the consumer chain to the provider chain
+// It is backward compatible with the ICS v1 and v2 version of the packet.
+type SlashPacketDataV1 struct {
+	Validator types.Validator `protobuf:"bytes,1,opt,name=validator,proto3" json:"validator" yaml:"validator"`
+	// map to the infraction block height on the provider
+	ValsetUpdateId uint64 `protobuf:"varint,2,opt,name=valset_update_id,json=valsetUpdateId,proto3" json:"valset_update_id,omitempty"`
+	// tell if the slashing is for a downtime or a double-signing infraction
+	Infraction InfractionType `protobuf:"varint,3,opt,name=infraction,proto3,enum=interchain_security.ccv.v1.InfractionType" json:"infraction,omitempty"`
+}
+
+func (m *SlashPacketDataV1) Reset()         { *m = SlashPacketDataV1{} }
+func (m *SlashPacketDataV1) String() string { return proto.CompactTextString(m) }
+func (*SlashPacketDataV1) ProtoMessage()    {}
+func (*SlashPacketDataV1) Descriptor() ([]byte, []int) {
+	return fileDescriptor_68bd5f3242e6f29c, []int{8}
+}
+func (m *SlashPacketDataV1) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *SlashPacketDataV1) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_SlashPacketDataV1.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *SlashPacketDataV1) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SlashPacketDataV1.Merge(m, src)
+}
+func (m *SlashPacketDataV1) XXX_Size() int {
+	return m.Size()
+}
+func (m *SlashPacketDataV1) XXX_DiscardUnknown() {
+	xxx_messageInfo_SlashPacketDataV1.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_SlashPacketDataV1 proto.InternalMessageInfo
+
+func (m *SlashPacketDataV1) GetValidator() types.Validator {
+	if m != nil {
+		return m.Validator
+	}
+	return types.Validator{}
+}
+
+func (m *SlashPacketDataV1) GetValsetUpdateId() uint64 {
+	if m != nil {
+		return m.ValsetUpdateId
+	}
+	return 0
+}
+
+func (m *SlashPacketDataV1) GetInfraction() InfractionType {
+	if m != nil {
+		return m.Infraction
+	}
+	return InfractionEmpty
+}
+
 func init() {
 	proto.RegisterEnum("interchain_security.ccv.v1.ConsumerPacketDataType", ConsumerPacketDataType_name, ConsumerPacketDataType_value)
+	proto.RegisterEnum("interchain_security.ccv.v1.InfractionType", InfractionType_name, InfractionType_value)
 	proto.RegisterType((*ValidatorSetChangePacketData)(nil), "interchain_security.ccv.v1.ValidatorSetChangePacketData")
 	proto.RegisterType((*ValidatorSetChangePackets)(nil), "interchain_security.ccv.v1.ValidatorSetChangePackets")
 	proto.RegisterType((*VSCMaturedPacketData)(nil), "interchain_security.ccv.v1.VSCMaturedPacketData")
@@ -475,6 +669,8 @@ func init() {
 	proto.RegisterType((*MaturedUnbondingOps)(nil), "interchain_security.ccv.v1.MaturedUnbondingOps")
 	proto.RegisterType((*ConsumerPacketData)(nil), "interchain_security.ccv.v1.ConsumerPacketData")
 	proto.RegisterType((*ConsumerPacketDataList)(nil), "interchain_security.ccv.v1.ConsumerPacketDataList")
+	proto.RegisterType((*ConsumerPacketDataV1)(nil), "interchain_security.ccv.v1.ConsumerPacketDataV1")
+	proto.RegisterType((*SlashPacketDataV1)(nil), "interchain_security.ccv.v1.SlashPacketDataV1")
 }
 
 func init() {
@@ -482,51 +678,60 @@ func init() {
 }
 
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+	0x88, 0x08, 0x00, 0x00,
 }
 
 func (m *ValidatorSetChangePacketData) Marshal() (dAtA []byte, err error) {
@@ -845,6 +1050,128 @@ func (m *ConsumerPacketDataList) MarshalToSizedBuffer(dAtA []byte) (int, error)
 	return len(dAtA) - i, nil
 }
 
+func (m *ConsumerPacketDataV1) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ConsumerPacketDataV1) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *ConsumerPacketDataV1) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.Data != nil {
+		{
+			size := m.Data.Size()
+			i -= size
+			if _, err := m.Data.MarshalTo(dAtA[i:]); err != nil {
+				return 0, err
+			}
+		}
+	}
+	if m.Type != 0 {
+		i = encodeVarintCcv(dAtA, i, uint64(m.Type))
+		i--
+		dAtA[i] = 0x8
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *ConsumerPacketDataV1_SlashPacketData) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *ConsumerPacketDataV1_SlashPacketData) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	if m.SlashPacketData != nil {
+		{
+			size, err := m.SlashPacketData.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintCcv(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x12
+	}
+	return len(dAtA) - i, nil
+}
+func (m *ConsumerPacketDataV1_VscMaturedPacketData) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *ConsumerPacketDataV1_VscMaturedPacketData) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	if m.VscMaturedPacketData != nil {
+		{
+			size, err := m.VscMaturedPacketData.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintCcv(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x1a
+	}
+	return len(dAtA) - i, nil
+}
+func (m *SlashPacketDataV1) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *SlashPacketDataV1) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *SlashPacketDataV1) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.Infraction != 0 {
+		i = encodeVarintCcv(dAtA, i, uint64(m.Infraction))
+		i--
+		dAtA[i] = 0x18
+	}
+	if m.ValsetUpdateId != 0 {
+		i = encodeVarintCcv(dAtA, i, uint64(m.ValsetUpdateId))
+		i--
+		dAtA[i] = 0x10
+	}
+	{
+		size, err := m.Validator.MarshalToSizedBuffer(dAtA[:i])
+		if err != nil {
+			return 0, err
+		}
+		i -= size
+		i = encodeVarintCcv(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0xa
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintCcv(dAtA []byte, offset int, v uint64) int {
 	offset -= sovCcv(v)
 	base := offset
@@ -994,13 +1321,69 @@ func (m *ConsumerPacketDataList) Size() (n int) {
 	return n
 }
 
-func sovCcv(x uint64) (n int) {
-	return (math_bits.Len64(x|1) + 6) / 7
+func (m *ConsumerPacketDataV1) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.Type != 0 {
+		n += 1 + sovCcv(uint64(m.Type))
+	}
+	if m.Data != nil {
+		n += m.Data.Size()
+	}
+	return n
 }
-func sozCcv(x uint64) (n int) {
-	return sovCcv(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+
+func (m *ConsumerPacketDataV1_SlashPacketData) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.SlashPacketData != nil {
+		l = m.SlashPacketData.Size()
+		n += 1 + l + sovCcv(uint64(l))
+	}
+	return n
 }
-func (m *ValidatorSetChangePacketData) Unmarshal(dAtA []byte) error {
+func (m *ConsumerPacketDataV1_VscMaturedPacketData) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.VscMaturedPacketData != nil {
+		l = m.VscMaturedPacketData.Size()
+		n += 1 + l + sovCcv(uint64(l))
+	}
+	return n
+}
+func (m *SlashPacketDataV1) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = m.Validator.Size()
+	n += 1 + l + sovCcv(uint64(l))
+	if m.ValsetUpdateId != 0 {
+		n += 1 + sovCcv(uint64(m.ValsetUpdateId))
+	}
+	if m.Infraction != 0 {
+		n += 1 + sovCcv(uint64(m.Infraction))
+	}
+	return n
+}
+
+func sovCcv(x uint64) (n int) {
+	return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozCcv(x uint64) (n int) {
+	return sovCcv(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *ValidatorSetChangePacketData) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
 	for iNdEx < l {
@@ -1758,6 +2141,266 @@ func (m *ConsumerPacketDataList) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *ConsumerPacketDataV1) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowCcv
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ConsumerPacketDataV1: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ConsumerPacketDataV1: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Type", wireType)
+			}
+			m.Type = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowCcv
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Type |= ConsumerPacketDataType(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SlashPacketData", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowCcv
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthCcv
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthCcv
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			v := &SlashPacketDataV1{}
+			if err := v.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			m.Data = &ConsumerPacketDataV1_SlashPacketData{v}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field VscMaturedPacketData", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowCcv
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthCcv
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthCcv
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			v := &VSCMaturedPacketData{}
+			if err := v.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			m.Data = &ConsumerPacketDataV1_VscMaturedPacketData{v}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipCcv(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthCcv
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *SlashPacketDataV1) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowCcv
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: SlashPacketDataV1: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SlashPacketDataV1: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Validator", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowCcv
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthCcv
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthCcv
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.Validator.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ValsetUpdateId", wireType)
+			}
+			m.ValsetUpdateId = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowCcv
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ValsetUpdateId |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Infraction", wireType)
+			}
+			m.Infraction = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowCcv
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Infraction |= InfractionType(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipCcv(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthCcv
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipCcv(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0