diff --git a/pkgs/servers/ser2net/default.nix b/pkgs/servers/ser2net/default.nix
index 466f07052b8c..bbb40844ae51 100644
--- a/pkgs/servers/ser2net/default.nix
+++ b/pkgs/servers/ser2net/default.nix
@@ -1,17 +1,33 @@
-{ stdenv, lib, fetchFromGitHub, gensio, libyaml, autoreconfHook, pkgconfig }:
+{ autoreconfHook
+, fetchFromGitHub
+, gensio
+, lib
+, libyaml
+, nix-update-script
+, pkg-config
+, stdenv
+}:
 
 stdenv.mkDerivation rec {
   pname = "ser2net";
-  version = "4.2.1";
+  version = "4.3.0";
 
   src = fetchFromGitHub {
     owner = "cminyard";
     repo = pname;
     rev = "v${version}";
-    sha256 = "01w82nrgffsfz2c80p4cyppg3bz56d90jm6i6356j0nva3784haw";
+    sha256 = "13zhds3zav03f1snc4bb1j07i2x606bmnqm17yx37frib2hjs4nx";
   };
 
-  buildInputs = [ pkgconfig autoreconfHook gensio libyaml ];
+  passthru = {
+    updateScript = nix-update-script {
+      attrPath = pname;
+    };
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+
+  buildInputs = [ gensio libyaml ];
 
   meta = with lib; {
     description = "Serial to network connection server";