diff --git a/pkgs/development/python-modules/dissect-squashfs/default.nix b/pkgs/development/python-modules/dissect-squashfs/default.nix
index f4f5e479ef84..3d96120d36db 100644
--- a/pkgs/development/python-modules/dissect-squashfs/default.nix
+++ b/pkgs/development/python-modules/dissect-squashfs/default.nix
@@ -14,7 +14,7 @@
 buildPythonPackage rec {
   pname = "dissect-squashfs";
   version = "1.5";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -25,12 +25,12 @@ buildPythonPackage rec {
     hash = "sha256-eylLBPim3dmo8h95lRmlh8O9m458K07TH2uK+hn3nKs=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools
     setuptools-scm
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     dissect-cstruct
     dissect-util
   ];