diff --git a/pkgs/development/python-modules/cle/default.nix b/pkgs/development/python-modules/cle/default.nix
index 20ac0c60435d..f67ad6c24e49 100644
--- a/pkgs/development/python-modules/cle/default.nix
+++ b/pkgs/development/python-modules/cle/default.nix
@@ -41,11 +41,11 @@ buildPythonPackage rec {
     hash = "sha256-N0z5wgaeWkoPuhIUj7bj1kDKgZ7pWChm1uEU4MjXjqI=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     cffi
     minidump
     pefile