diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index e16266061af8..8a177be26d7c 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -6003,6 +6003,12 @@
     githubId = 2502736;
     name = "James Hillyerd";
   };
+  jiegec = {
+    name = "Jiajie Chen";
+    email = "c@jia.je";
+    github = "jiegec";
+    githubId = 6127678;
+  };
   jiehong = {
     email = "nixos@majiehong.com";
     github = "Jiehong";
diff --git a/pkgs/os-specific/darwin/iproute2mac/default.nix b/pkgs/os-specific/darwin/iproute2mac/default.nix
index 915ef7c91588..f542f2c5221b 100644
--- a/pkgs/os-specific/darwin/iproute2mac/default.nix
+++ b/pkgs/os-specific/darwin/iproute2mac/default.nix
@@ -1,21 +1,20 @@
-{ lib, stdenv, fetchFromGitHub, darwin, python2 }:
+{ lib, stdenv, fetchFromGitHub, darwin, python3 }:
 
 stdenv.mkDerivation rec {
-  version = "1.2.1";
+  version = "1.4.0";
   pname = "iproute2mac";
 
   src = fetchFromGitHub {
     owner = "brona";
     repo = "iproute2mac";
     rev = "v${version}";
-    sha256 = "1n6la7blbxza2m79cpnywsavhzsdv4gzdxrkly4dppyidjg6jy1h";
+    sha256 = "sha256-xakCNjmZpdVY7MMxk38EZatrakgkEeDhvljhl+aMmGg=";
   };
 
-  buildInputs = [ python2 ];
+  buildInputs = [ python3 ];
 
   postPatch = ''
     substituteInPlace src/ip.py \
-      --replace /usr/bin/python ${python2}/bin/python \
       --replace /sbin/ifconfig ${darwin.network_cmds}/bin/ifconfig \
       --replace /sbin/route ${darwin.network_cmds}/bin/route \
       --replace /usr/sbin/netstat ${darwin.network_cmds}/bin/netstat \
@@ -32,7 +31,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/brona/iproute2mac";
     description = "CLI wrapper for basic network utilites on Mac OS X inspired with iproute2 on Linux systems - ip command.";
     license = licenses.mit;
-    maintainers = with maintainers; [ flokli ];
+    maintainers = with maintainers; [ jiegec ];
     platforms = platforms.darwin;
   };
 }