diff --git a/pkgs/development/python-modules/moderngl-window/default.nix b/pkgs/development/python-modules/moderngl-window/default.nix
index 073c99026b9a..635384684f74 100644
--- a/pkgs/development/python-modules/moderngl-window/default.nix
+++ b/pkgs/development/python-modules/moderngl-window/default.nix
@@ -34,13 +34,15 @@ buildPythonPackage rec {
     hash = "sha256-zTygSXU/vQZaFCuHbRBpO9/BYYA2UOid+wvhyc2bWMI=";
   };
 
-  pythonRelaxDeps = [ "pillow" ];
+  pythonRelaxDeps = [
+    "numpy" # https://github.com/moderngl/moderngl-window/issues/193
+  ];
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     numpy
     moderngl
     pyglet