diff --git a/pkgs/development/python-modules/license-expression/default.nix b/pkgs/development/python-modules/license-expression/default.nix
index 11ce65c7905a..71443bb0144a 100644
--- a/pkgs/development/python-modules/license-expression/default.nix
+++ b/pkgs/development/python-modules/license-expression/default.nix
@@ -10,9 +10,9 @@
 buildPythonPackage rec {
   pname = "license-expression";
   version = "30.2.0";
-  format = "setuptools";
+  pyproject = true;
 
-  disabled = pythonOlder "3.6";
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "nexB";