diff --git a/pkgs/data/themes/matcha/default.nix b/pkgs/data/themes/matcha/default.nix
index 20d5a3db8719..9c5f84403181 100644
--- a/pkgs/data/themes/matcha/default.nix
+++ b/pkgs/data/themes/matcha/default.nix
@@ -4,6 +4,7 @@
 , gdk-pixbuf
 , gtk-engine-murrine
 , librsvg
+, gitUpdater
 }:
 
 stdenv.mkDerivation rec {
@@ -40,6 +41,8 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = gitUpdater {inherit pname version; };
+
   meta = with lib; {
     description = "A stylish flat Design theme for GTK based desktop environments";
     homepage = "https://vinceliuice.github.io/theme-matcha";