diff --git a/pkgs/by-name/we/webassemblyjs-cli/package.nix b/pkgs/by-name/we/webassemblyjs-cli/package.nix
index 3dd8b359c655..36ff6d4864d2 100644
--- a/pkgs/by-name/we/webassemblyjs-cli/package.nix
+++ b/pkgs/by-name/we/webassemblyjs-cli/package.nix
@@ -8,6 +8,7 @@
   nodejs,
   makeBinaryWrapper,
   gcc,
+  nix-update-script,
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "webassemblyjs-cli";
@@ -65,6 +66,8 @@ stdenv.mkDerivation (finalAttrs: {
     runHook postInstall
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Toolbox for WebAssembly";
     homepage = "https://webassembly.js.org";