diff --git a/internal/dst_table/gen_query.go b/internal/dst_table/gen_query.go
index ab6e21f..002328d 100644
--- a/internal/dst_table/gen_query.go
+++ b/internal/dst_table/gen_query.go
@@ -11,6 +11,7 @@ import (
 	"go.uber.org/zap"
 	"sort"
 	"strings"
+	"time"
 )
 
 type UpdatingData struct {
@@ -223,11 +224,16 @@ func ConvertToYDBValue(v json.RawMessage, t ydb_types.Type) (ydb_types.Value, er
 		}
 		return nil, fmt.Errorf("ConvertToYDBValue: unmurshal to date value: %w", err)
 	case ydb_types.TypeTimestamp:
-		var value uint64
-		if err = json.Unmarshal(v, &value); err == nil {
-			return ydb_types.TimestampValue(value), nil
+		var value_str string
+		if err = json.Unmarshal(v, &value_str); err != nil {
+			return nil, fmt.Errorf("ConvertToYDBValue: timestamp: unmurshal to string value: %w", err)
+		}
+		format := "2006-01-02T15:04:05.000000Z"
+		value, err := time.Parse(format, value_str)
+		if err != nil {
+			return nil, fmt.Errorf("ConvertToYDBValue: timestamp: error to time parse: %w", err)
 		}
-		return nil, fmt.Errorf("ConvertToYDBValue: unmurshal to timestamp value: %w", err)
+		return ydb_types.TimestampValue(uint64(value.UnixMicro())), nil
 	case ydb_types.TypeInterval:
 		var value int64
 		if err = json.Unmarshal(v, &value); err == nil {
diff --git a/internal/dst_table/gen_query_test.go b/internal/dst_table/gen_query_test.go
index c1f77ee..521bf22 100644
--- a/internal/dst_table/gen_query_test.go
+++ b/internal/dst_table/gen_query_test.go
@@ -23,6 +23,7 @@ func GetTestTableMetaInfo() TableMetaInfo {
 		"value2": options.Column{"value2", ydb_types.TypeUint64, ""},
 		"value3": options.Column{"value3", ydb_types.Optional(ydb_types.TypeDouble), ""},
 		"value4": options.Column{"value4", ydb_types.Optional(ydb_types.TypeString), ""},
+		"value5": options.Column{"value5", ydb_types.Optional(ydb_types.TypeTimestamp), ""},
 	}
 	return result
 }
@@ -163,3 +164,17 @@ func TestGenOnlyEraseQuery(t *testing.T) {
 		"]}"
 	assert.Equal(t, expectedParams, query.Parameters.String())
 }
+
+func TestGenQueryWithTimestamp(t *testing.T) {
+	ctx := context.Background()
+	txData1, _ := reader.ParseTxData(ctx, []byte("{\"update\":{\"value1\":\"15\", \"value5\":\"1970-01-01T00:00:01.000001Z\"},\"key\":[15,\"15\"],\"ts\":[18446744073709551615,18446744073709551615]}"), 0)
+	query, err := GenQueryFromUpdateTx(ctx, GetTestTableMetaInfo(), []UpdatingData{CreateData(txData1)}, 0, 1)
+	require.Nil(t, err)
+	assert.Equal(t, "UPSERT INTO path (key1, key2, value1, value5) SELECT key1, key2, value1, value5 FROM AS_TABLE($p_1_0);\n", query.Statement)
+	assert.Equal(t, len(query.Params), 1)
+	assert.Equal(t, query.Params[0].Name(), "$p_1_0")
+	expectedParams := "[" +
+		"<|`key1`:15,`key2`:\"15\",`value1`:\"15\",`value5`:Just(Timestamp(\"1970-01-01T00:00:01.000001Z\"))|>" +
+		"]"
+	assert.Equal(t, expectedParams, query.Params[0].Value().Yql())
+}