diff --git a/pkgs/applications/networking/browsers/microsoft-edge/browser.nix b/pkgs/applications/networking/browsers/microsoft-edge/browser.nix
index 7f72a42ffe0d..d6898e9d86c2 100644
--- a/pkgs/applications/networking/browsers/microsoft-edge/browser.nix
+++ b/pkgs/applications/networking/browsers/microsoft-edge/browser.nix
@@ -52,7 +52,8 @@ let
 in
 
 stdenv.mkDerivation rec {
-  name="${baseName}-${channel}-${version}";
+  pname="${baseName}-${channel}";
+  inherit version;
 
   src = fetchurl {
     url = "https://packages.microsoft.com/repos/edge/pool/main/m/${baseName}-${channel}/${baseName}-${channel}_${version}-${revision}_amd64.deb";
@@ -181,12 +182,14 @@ stdenv.mkDerivation rec {
       --prefix XDG_DATA_DIRS : "${gtk3}/share/gsettings-schemas/${gtk3.pname}-${gtk3.version}"
   '';
 
+  passthru.updateScript = ./update.py;
+
   meta = with lib; {
     homepage = "https://www.microsoft.com/en-us/edge";
     description = "The web browser from Microsoft";
     license = licenses.unfree;
     sourceProvenance = with sourceTypes; [ binaryNativeCode ];
     platforms = [ "x86_64-linux" ];
-    maintainers = with maintainers; [ zanculmarktum kuwii ];
+    maintainers = with maintainers; [ zanculmarktum kuwii rhysmdnz ];
   };
 }
diff --git a/pkgs/applications/networking/browsers/microsoft-edge/update.py b/pkgs/applications/networking/browsers/microsoft-edge/update.py
index 0e9bfa8fe89a..f32b669f0360 100755
--- a/pkgs/applications/networking/browsers/microsoft-edge/update.py
+++ b/pkgs/applications/networking/browsers/microsoft-edge/update.py
@@ -8,6 +8,9 @@ from urllib import request
 from collections import OrderedDict
 from debian.deb822 import Packages
 from debian.debian_support import Version
+from os.path import abspath, dirname
+
+PIN_PATH = dirname(abspath(__file__)) + '/default.nix'
 
 def packages():
     packages_url = 'https://packages.microsoft.com/repos/edge/dists/stable/main/binary-amd64/Packages'
@@ -60,7 +63,7 @@ def write_expression():
     latest = latest_packages(packages())
     channel_strs = nix_expressions(latest)
     nix_expr = '{\n' + textwrap.indent('\n'.join(channel_strs), '  ') + '\n}\n'
-    with open('default.nix', 'w') as f:
+    with open(PIN_PATH, 'w') as f:
         f.write(nix_expr)