diff --git a/pkgs/development/python-modules/greek-accentuation/default.nix b/pkgs/development/python-modules/greek-accentuation/default.nix
index b42d5ef270b6..fb7838425bff 100644
--- a/pkgs/development/python-modules/greek-accentuation/default.nix
+++ b/pkgs/development/python-modules/greek-accentuation/default.nix
@@ -2,19 +2,29 @@
   buildPythonPackage,
   lib,
   fetchPypi,
+  setuptools,
 }:
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "greek-accentuation";
   version = "1.2.0";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
+
   src = fetchPypi {
-    inherit pname version;
+    pname = "greek-accentuation";
+    inherit (finalAttrs) version;
     hash = "sha256-l2HZXdqlLubvy2bWhhZVYGMpF0DXVKTDFehkcGF5xdk=";
   };
+
+  build-system = [ setuptools ];
+
+  pythonImportsCheck = [ "greek_accentuation" ];
+
   meta = {
     description = "Python 3 library for accenting (and analyzing the accentuation of) Ancient Greek words";
     homepage = "https://github.com/jtauber/greek-accentuation";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ kmein ];
   };
-}
+})