diff --git a/pkgs/data/themes/marwaita-ubuntu/default.nix b/pkgs/data/themes/marwaita-ubuntu/default.nix
index f98e112678ce..79323993ee3a 100644
--- a/pkgs/data/themes/marwaita-ubuntu/default.nix
+++ b/pkgs/data/themes/marwaita-ubuntu/default.nix
@@ -1,9 +1,11 @@
-{ lib, stdenv
+{ lib
+, stdenv
 , fetchFromGitHub
 , gdk-pixbuf
 , gtk-engine-murrine
 , gtk_engines
 , librsvg
+, gitUpdater
 }:
 
 stdenv.mkDerivation rec {
@@ -36,6 +38,8 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = gitUpdater { };
+
   meta = with lib; {
     description = "Ubuntu Style of Marwaita GTK theme";
     homepage = "https://www.pling.com/p/1352833/";