diff --git a/pkgs/by-name/no/nomnatong/package.nix b/pkgs/by-name/no/nomnatong/package.nix
index e4913f463e6b..72b51feb9769 100644
--- a/pkgs/by-name/no/nomnatong/package.nix
+++ b/pkgs/by-name/no/nomnatong/package.nix
@@ -2,6 +2,7 @@
 , stdenvNoCC
 , fetchFromGitHub
 , python3Packages
+, nix-update-script
 }:
 
 stdenvNoCC.mkDerivation (finalAttrs: {
@@ -41,6 +42,8 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     runHook postInstall
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     homepage = "http://nomfoundation.org/nom-tools/Nom-Font";
     description = "The Hán-Nôm Coded Character Set and Nom Na Tong Regular Reference Font";