diff --git a/src/common/aliases/boost_asio_ip_tcp.hpp b/src/common/aliases/boost_asio_ip_tcp.hpp
index a0925c7..fb1a120 100644
--- a/src/common/aliases/boost_asio_ip_tcp.hpp
+++ b/src/common/aliases/boost_asio_ip_tcp.hpp
@@ -5,3 +5,4 @@
 using TcpSocket = boost::asio::ip::tcp::socket;
 using TcpAcceptor = boost::asio::ip::tcp::acceptor;
 using TcpEndpoint = boost::asio::ip::tcp::endpoint;
+using TcpResolver = boost::asio::ip::tcp::resolver;