diff --git a/pkgs/by-name/mo/mox/package.nix b/pkgs/by-name/mo/mox/package.nix
index a223f42d2634..bf9d26a53fdb 100644
--- a/pkgs/by-name/mo/mox/package.nix
+++ b/pkgs/by-name/mo/mox/package.nix
@@ -2,6 +2,7 @@
   lib,
   buildGoModule,
   fetchFromGitHub,
+  nix-update-script,
 }:
 
 buildGoModule (finalAttrs: {
@@ -27,6 +28,8 @@ buildGoModule (finalAttrs: {
     "-X github.com/mjl-/mox/moxvar.VersionBare=${finalAttrs.version}"
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Modern full-featured open source secure mail server for low-maintenance self-hosted email";
     mainProgram = "mox";