diff --git a/machines/universedesktop/programs/art.nix b/machines/universedesktop/programs/art.nix
index 084ee97..045ea60 100644
--- a/machines/universedesktop/programs/art.nix
+++ b/machines/universedesktop/programs/art.nix
@@ -6,6 +6,8 @@
           py = python-prev;
         in {
           equation = py.buildPythonPackage {
+            pyproject = true;
+            build-system = [ py.setuptools ];
             pname = "Equation";
             version = "1.2.01";
             nativeBuildInputs = [
@@ -18,6 +20,8 @@
             };
           };
           morphio = py.toPythonModule ( pkgs.stdenv.mkDerivation rec {
+            pyproject = true;
+            build-system = [ py.setuptools ];
             pname = "MorphIO";
             version = "3.3.4";
             nativeBuildInputs = (with pkgs; [
@@ -84,6 +88,7 @@
 
     rx
     aseprite-unfree
+    pixelorama
     gimp
     
     glaxnimate