diff --git a/pkgs/data/themes/catppuccin-gtk/default.nix b/pkgs/data/themes/catppuccin-gtk/default.nix
index 6459f50fe786..c615b608cf1f 100644
--- a/pkgs/data/themes/catppuccin-gtk/default.nix
+++ b/pkgs/data/themes/catppuccin-gtk/default.nix
@@ -7,6 +7,7 @@
 , gtk-engine-murrine
 , python3
 , sassc
+, nix-update-script
 , accents ? [ "blue" ]
 , size ? "standard"
 , tweaks ? [ ]
@@ -74,6 +75,8 @@ stdenvNoCC.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = with lib; {
     description = "Soothing pastel theme for GTK";
     homepage = "https://github.com/catppuccin/gtk";