diff --git a/pkgs/tools/misc/rtx/default.nix b/pkgs/tools/misc/rtx/default.nix
index 53698f0d19ac..b70db4261d34 100644
--- a/pkgs/tools/misc/rtx/default.nix
+++ b/pkgs/tools/misc/rtx/default.nix
@@ -1,4 +1,5 @@
 { lib
+, nix-update-script
 , rustPlatform
 , fetchFromGitHub
 , installShellFiles
@@ -53,6 +54,10 @@ rustPlatform.buildRustPackage rec {
       --zsh ./completions/_rtx
   '';
 
+  passthru = {
+    updateScript = nix-update-script { };
+  };
+
   meta = {
     homepage = "https://github.com/jdxcode/rtx";
     description = "Polyglot runtime manager (asdf rust clone)";