diff --git a/pkgs/development/python-modules/squarify/default.nix b/pkgs/development/python-modules/squarify/default.nix
index 971c5d6b4a21..1d847a5cc261 100644
--- a/pkgs/development/python-modules/squarify/default.nix
+++ b/pkgs/development/python-modules/squarify/default.nix
@@ -2,6 +2,7 @@
   buildPythonPackage,
   fetchFromGitHub,
   lib,
+  setuptools,
   pytestCheckHook,
   matplotlib,
 }:
@@ -9,7 +10,7 @@
 buildPythonPackage rec {
   pname = "squarify";
   version = "0.4.3";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "laserson";
@@ -18,9 +19,11 @@ buildPythonPackage rec {
     hash = "sha256-zSv+6xT9H4WyShRnwjjcNMjY19AFlQ6bw9Mh9p2rL08=";
   };
 
+  build-system = [ setuptools ];
+
   nativeCheckInputs = [ pytestCheckHook ];
 
-  propagatedBuildInputs = [ matplotlib ];
+  dependencies = [ matplotlib ];
 
   pythonImportsCheck = [ "squarify" ];