diff --git a/object/convert.go b/object/convert.go
index 6e8ecff..1abfb5e 100644
--- a/object/convert.go
+++ b/object/convert.go
@@ -2345,3 +2345,217 @@ func (r *PutSingleResponse) FromGRPCMessage(m grpc.Message) error {
 
 	return r.ResponseHeaders.FromMessage(v)
 }
+
+func (r *PatchRequestBodyPatch) ToGRPCMessage() grpc.Message {
+	var m *object.PatchRequest_Body_Patch
+
+	if r != nil {
+		m = new(object.PatchRequest_Body_Patch)
+
+		m.SetSourceRange(r.Range.ToGRPCMessage().(*object.Range))
+		m.SetChunk(r.Chunk)
+	}
+
+	return m
+}
+
+func (r *PatchRequestBodyPatch) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*object.PatchRequest_Body_Patch)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	srcRange := v.GetSourceRange()
+	if srcRange == nil {
+		r.Range = nil
+	} else {
+		if r.Range == nil {
+			r.Range = new(Range)
+		}
+
+		err = r.Range.FromGRPCMessage(srcRange)
+		if err != nil {
+			return err
+		}
+	}
+
+	r.Chunk = v.GetChunk()
+
+	return nil
+}
+
+func (r *PatchRequestBody) ToGRPCMessage() grpc.Message {
+	var m *object.PatchRequest_Body
+
+	if r != nil {
+		m = new(object.PatchRequest_Body)
+
+		m.SetAddress(r.Address.ToGRPCMessage().(*refsGRPC.Address))
+		m.SetNewAttributes(AttributesToGRPC(r.NewAttributes))
+		m.SetReplaceAttributes(r.ReplaceAttributes)
+		m.SetPatch(r.Patch.ToGRPCMessage().(*object.PatchRequest_Body_Patch))
+	}
+
+	return m
+}
+
+func (r *PatchRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*object.PatchRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	addr := v.GetAddress()
+	if addr == nil {
+		r.Address = nil
+	} else {
+		if r.Address == nil {
+			r.Address = new(refs.Address)
+		}
+
+		err = r.Address.FromGRPCMessage(addr)
+		if err != nil {
+			return err
+		}
+	}
+
+	r.NewAttributes, err = AttributesFromGRPC(v.GetNewAttributes())
+	if err != nil {
+		return err
+	}
+
+	r.ReplaceAttributes = v.GetReplaceAttributes()
+
+	patch := v.GetPatch()
+	if patch == nil {
+		r.Patch = nil
+	} else {
+		if r.Patch == nil {
+			r.Patch = new(PatchRequestBodyPatch)
+		}
+
+		err = r.Patch.FromGRPCMessage(patch)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (r *PatchRequest) ToGRPCMessage() grpc.Message {
+	var m *object.PatchRequest
+
+	if r != nil {
+		m = new(object.PatchRequest)
+
+		m.SetBody(r.Body.ToGRPCMessage().(*object.PatchRequest_Body))
+		r.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *PatchRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*object.PatchRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.Body = nil
+	} else {
+		if r.Body == nil {
+			r.Body = new(PatchRequestBody)
+		}
+
+		err = r.Body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.RequestHeaders.FromMessage(v)
+}
+
+func (r *PatchResponseBody) ToGRPCMessage() grpc.Message {
+	var m *object.PatchResponse_Body
+
+	if r != nil {
+		m = new(object.PatchResponse_Body)
+
+		m.SetObjectID(r.ObjectID.ToGRPCMessage().(*refsGRPC.ObjectID))
+	}
+
+	return m
+}
+
+func (r *PatchResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*object.PatchResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	objID := v.GetObjectId()
+	if objID == nil {
+		r.ObjectID = nil
+	} else {
+		if r.ObjectID == nil {
+			r.ObjectID = new(refs.ObjectID)
+		}
+
+		err = r.ObjectID.FromGRPCMessage(objID)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (r *PatchResponse) ToGRPCMessage() grpc.Message {
+	var m *object.PatchResponse
+
+	if r != nil {
+		m = new(object.PatchResponse)
+
+		m.SetBody(r.Body.ToGRPCMessage().(*object.PatchResponse_Body))
+		r.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *PatchResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*object.PatchResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.Body = nil
+	} else {
+		if r.Body == nil {
+			r.Body = new(PatchResponseBody)
+		}
+
+		err = r.Body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.ResponseHeaders.FromMessage(v)
+}
diff --git a/object/grpc/service.go b/object/grpc/service.go
index 3ff1f3a..ef6422e 100644
--- a/object/grpc/service.go
+++ b/object/grpc/service.go
@@ -556,3 +556,55 @@ func (m *PutSingleResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 func (m *PutSingleResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	m.VerifyHeader = v
 }
+
+func (m *PatchRequest_Body) SetAddress(addr *refs.Address) {
+	m.Address = addr
+}
+
+func (m *PatchRequest_Body) SetNewAttributes(attrs []*Header_Attribute) {
+	m.NewAttributes = attrs
+}
+
+func (m *PatchRequest_Body) SetReplaceAttributes(replaceAttributes bool) {
+	m.ReplaceAttributes = replaceAttributes
+}
+
+func (m *PatchRequest_Body) SetPatch(patch *PatchRequest_Body_Patch) {
+	m.Patch = patch
+}
+
+func (m *PatchRequest_Body_Patch) SetSourceRange(r *Range) {
+	m.SourceRange = r
+}
+
+func (m *PatchRequest_Body_Patch) SetChunk(chunk []byte) {
+	m.Chunk = chunk
+}
+
+func (m *PatchRequest) SetBody(b *PatchRequest_Body) {
+	m.Body = b
+}
+
+func (m *PatchRequest) SetMetaHeader(v *session.RequestMetaHeader) {
+	m.MetaHeader = v
+}
+
+func (m *PatchRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
+	m.VerifyHeader = v
+}
+
+func (m *PatchResponse_Body) SetObjectID(objectID *refs.ObjectID) {
+	m.ObjectId = objectID
+}
+
+func (m *PatchResponse) SetBody(b *PatchResponse_Body) {
+	m.Body = b
+}
+
+func (m *PatchResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
+	m.MetaHeader = v
+}
+
+func (m *PatchResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
+	m.VerifyHeader = v
+}
diff --git a/object/grpc/service.pb.go b/object/grpc/service.pb.go
index 75d359e..b9d160d 100644
Binary files a/object/grpc/service.pb.go and b/object/grpc/service.pb.go differ
diff --git a/object/grpc/service_grpc.pb.go b/object/grpc/service_grpc.pb.go
index 16af44a..50bf927 100644
Binary files a/object/grpc/service_grpc.pb.go and b/object/grpc/service_grpc.pb.go differ
diff --git a/object/marshal.go b/object/marshal.go
index f96b098..a0b82df 100644
--- a/object/marshal.go
+++ b/object/marshal.go
@@ -132,6 +132,16 @@ const (
 
 	putSingleReqObjectField       = 1
 	putSingleReqCopiesNumberField = 2
+
+	patchRequestBodyPatchRangeField = 1
+	patchRequestBodyPatchChunkField = 2
+
+	patchRequestBodyAddrField        = 1
+	patchRequestBodyNewAttrsField    = 2
+	patchRequestBodyReplaceAttrField = 3
+	patchRequestBodyPatchField       = 4
+
+	patchResponseBodyObjectIDField = 1
 )
 
 func (h *ShortHeader) StableMarshal(buf []byte) []byte {
@@ -1314,3 +1324,105 @@ func (r *PutSingleResponseBody) StableSize() int {
 func (r *PutSingleResponseBody) Unmarshal(data []byte) error {
 	return message.Unmarshal(r, data, new(object.PutSingleResponse_Body))
 }
+
+func (r *PatchRequestBodyPatch) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+	offset += proto.NestedStructureMarshal(patchRequestBodyPatchRangeField, buf[offset:], r.Range)
+	offset += proto.BytesMarshal(patchRequestBodyPatchChunkField, buf[offset:], r.Chunk)
+
+	return buf
+}
+
+func (r *PatchRequestBodyPatch) StableSize() int {
+	if r == nil {
+		return 0
+	}
+
+	var size int
+	size += proto.NestedStructureSize(patchRequestBodyPatchRangeField, r.Range)
+	size += proto.BytesSize(patchRequestBodyPatchChunkField, r.Chunk)
+
+	return size
+}
+
+func (r *PatchRequestBodyPatch) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(object.PatchRequest_Body_Patch))
+}
+
+func (r *PatchRequestBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+	offset += proto.NestedStructureMarshal(patchRequestBodyAddrField, buf[offset:], r.Address)
+	for i := range r.NewAttributes {
+		offset += proto.NestedStructureMarshal(patchRequestBodyNewAttrsField, buf[offset:], &r.NewAttributes[i])
+	}
+	offset += proto.BoolMarshal(patchRequestBodyReplaceAttrField, buf[offset:], r.ReplaceAttributes)
+	offset += proto.NestedStructureMarshal(patchRequestBodyPatchField, buf[offset:], r.Patch)
+
+	return buf
+}
+
+func (r *PatchRequestBody) StableSize() int {
+	if r == nil {
+		return 0
+	}
+
+	var size int
+	size += proto.NestedStructureSize(patchRequestBodyAddrField, r.Address)
+	for i := range r.NewAttributes {
+		size += proto.NestedStructureSize(patchRequestBodyNewAttrsField, &r.NewAttributes[i])
+	}
+	size += proto.BoolSize(patchRequestBodyReplaceAttrField, r.ReplaceAttributes)
+	size += proto.NestedStructureSize(patchRequestBodyPatchField, r.Patch)
+
+	return size
+}
+
+func (r *PatchRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(object.PatchRequest_Body))
+}
+
+func (r *PatchResponseBody) StableSize() int {
+	if r == nil {
+		return 0
+	}
+
+	var size int
+	size += proto.NestedStructureSize(patchResponseBodyObjectIDField, r.ObjectID)
+
+	return size
+}
+
+func (r *PatchResponseBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+	offset += proto.NestedStructureMarshal(patchResponseBodyObjectIDField, buf[offset:], r.ObjectID)
+
+	return buf
+}
+
+func (r *PatchResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(object.PatchResponse_Body))
+}
diff --git a/object/message_test.go b/object/message_test.go
index 749c373..d4e95b3 100644
--- a/object/message_test.go
+++ b/object/message_test.go
@@ -56,5 +56,10 @@ func TestMessageConvert(t *testing.T) {
 		func(empty bool) message.Message { return objecttest.GenerateLock(empty) },
 		func(empty bool) message.Message { return objecttest.GeneratePutSingleRequest(empty) },
 		func(empty bool) message.Message { return objecttest.GeneratePutSingleResponse(empty) },
+		func(empty bool) message.Message { return objecttest.GeneratePatchRequestBodyPatch(empty) },
+		func(empty bool) message.Message { return objecttest.GeneratePatchRequestBody(empty) },
+		func(empty bool) message.Message { return objecttest.GeneratePatchRequest(empty) },
+		func(empty bool) message.Message { return objecttest.GeneratePatchResponseBody(empty) },
+		func(empty bool) message.Message { return objecttest.GeneratePatchResponse(empty) },
 	)
 }
diff --git a/object/test/generate.go b/object/test/generate.go
index b1931fc..f45941f 100644
--- a/object/test/generate.go
+++ b/object/test/generate.go
@@ -691,6 +691,63 @@ func GeneratePutSingleResponse(empty bool) *object.PutSingleResponse {
 	return m
 }
 
+func GeneratePatchRequestBodyPatch(empty bool) *object.PatchRequestBodyPatch {
+	m := new(object.PatchRequestBodyPatch)
+
+	if !empty {
+		m.Range = GenerateRange(false)
+		m.Chunk = []byte("GeneratePatchRequestBodyPatch")
+	}
+
+	return m
+}
+
+func GeneratePatchRequestBody(empty bool) *object.PatchRequestBody {
+	m := new(object.PatchRequestBody)
+
+	if !empty {
+		m.Address = refstest.GenerateAddress(empty)
+		m.NewAttributes = GenerateAttributes(empty)
+		m.ReplaceAttributes = false
+		m.Patch = GeneratePatchRequestBodyPatch(empty)
+	}
+
+	return m
+}
+
+func GeneratePatchRequest(empty bool) *object.PatchRequest {
+	m := new(object.PatchRequest)
+
+	if !empty {
+		m.Body = GeneratePatchRequestBody(empty)
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GeneratePatchResponseBody(empty bool) *object.PatchResponseBody {
+	m := new(object.PatchResponseBody)
+
+	if !empty {
+		m.ObjectID = refstest.GenerateObjectID(empty)
+	}
+
+	return m
+}
+
+func GeneratePatchResponse(empty bool) *object.PatchResponse {
+	m := new(object.PatchResponse)
+
+	if !empty {
+		m.Body = GeneratePatchResponseBody(empty)
+	}
+
+	return m
+}
+
 func randomInt(n int) int {
 	return rand.New(rand.NewSource(time.Now().UnixNano())).Intn(n)
 }
diff --git a/object/types.go b/object/types.go
index 43caf80..d0cac37 100644
--- a/object/types.go
+++ b/object/types.go
@@ -349,6 +349,38 @@ type PutSingleResponse struct {
 	session.ResponseHeaders
 }
 
+type PatchRequestBodyPatch struct {
+	Range *Range
+
+	Chunk []byte
+}
+
+type PatchRequestBody struct {
+	Address *refs.Address
+
+	NewAttributes []Attribute
+
+	ReplaceAttributes bool
+
+	Patch *PatchRequestBodyPatch
+}
+
+type PatchRequest struct {
+	Body *PatchRequestBody
+
+	session.RequestHeaders
+}
+
+type PatchResponseBody struct {
+	ObjectID *refs.ObjectID
+}
+
+type PatchResponse struct {
+	Body *PatchResponseBody
+
+	session.ResponseHeaders
+}
+
 const (
 	TypeRegular Type = iota
 	TypeTombstone
diff --git a/util/proto/test/test.pb.go b/util/proto/test/test.pb.go
index 57f7fb0..199fe2f 100644
Binary files a/util/proto/test/test.pb.go and b/util/proto/test/test.pb.go differ