diff --git a/pkgs/development/python-modules/pygit2/default.nix b/pkgs/development/python-modules/pygit2/default.nix
index 30630b83e3b4..04e641b11cc5 100644
--- a/pkgs/development/python-modules/pygit2/default.nix
+++ b/pkgs/development/python-modules/pygit2/default.nix
@@ -30,11 +30,11 @@ buildPythonPackage rec {
     export DYLD_LIBRARY_PATH="${libgit2}/lib"
   '';
 
-  nativeBuildInputs = [ setuptools ];
+  build-system = [ setuptools ];
 
   buildInputs = [ libgit2 ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     cached-property
     pycparser
   ] ++ lib.optionals (!isPyPy) [ cffi ];