diff --git a/pkgs/development/ocaml-modules/xml-light/default.nix b/pkgs/development/ocaml-modules/xml-light/default.nix
index 8eb700a4d14a..010d7f8e1dbf 100644
--- a/pkgs/development/ocaml-modules/xml-light/default.nix
+++ b/pkgs/development/ocaml-modules/xml-light/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, ocaml, findlib }:
+{ stdenv, lib, fetchFromGitHub, ocaml, findlib, gitUpdater }:
 
 stdenv.mkDerivation rec {
   pname = "ocaml${ocaml.version}-xml-light";
@@ -25,6 +25,8 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = gitUpdater { };
+
   meta = {
     description = "Minimal Xml parser and printer for OCaml";
     longDescription = ''