diff --git a/pkgs/development/python-modules/adax/default.nix b/pkgs/development/python-modules/adax/default.nix
index 9ba1fb50181a..f49ba99fd73f 100644
--- a/pkgs/development/python-modules/adax/default.nix
+++ b/pkgs/development/python-modules/adax/default.nix
@@ -4,21 +4,24 @@
   async-timeout,
   buildPythonPackage,
   fetchFromGitHub,
+  setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "adax";
   version = "0.4.0";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Danielhiversen";
     repo = "pyadax";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-wmcZtiML02i1XfqpFzni2WDrxutTvP5laVvTAGtNg0Y=";
   };
 
-  propagatedBuildInputs = [
+  build-system = [ setuptools ];
+
+  dependencies = [
     aiohttp
     async-timeout
   ];
@@ -31,8 +34,8 @@ buildPythonPackage rec {
   meta = {
     description = "Python module to communicate with Adax";
     homepage = "https://github.com/Danielhiversen/pyAdax";
-    changelog = "https://github.com/Danielhiversen/pyAdax/releases/tag/${version}";
+    changelog = "https://github.com/Danielhiversen/pyAdax/releases/tag/${finalAttrs.version}";
     license = with lib.licenses; [ mit ];
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})