diff --git a/tcp-cart-client.go b/tcp-cart-client.go
index 1602ff2..12714b2 100644
--- a/tcp-cart-client.go
+++ b/tcp-cart-client.go
@@ -71,7 +71,7 @@ func (m *CartTCPClient) SendPacket(messageType uint32, id CartId, data []byte) e
 		return err
 	}
 	err = binary.Write(m.Conn, binary.LittleEndian, CartPacket{
-		Version:     1,
+		Version:     CurrentPacketVersion,
 		MessageType: messageType,
 		DataLength:  uint64(len(data)),
 		Id:          id,