diff --git a/pkgs/development/python-modules/growattserver/default.nix b/pkgs/development/python-modules/growattserver/default.nix
index 669e1b693342..6c66ac1fa15e 100644
--- a/pkgs/development/python-modules/growattserver/default.nix
+++ b/pkgs/development/python-modules/growattserver/default.nix
@@ -2,7 +2,6 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  pythonOlder,
   requests,
   setuptools,
 }:
@@ -12,8 +11,6 @@ buildPythonPackage rec {
   version = "1.7.1";
   pyproject = true;
 
-  disabled = pythonOlder "3.7";
-
   src = fetchFromGitHub {
     owner = "indykoning";
     repo = "PyPi_GrowattServer";
@@ -21,9 +18,9 @@ buildPythonPackage rec {
     hash = "sha256-rob2+uXuBD5Gf05rNFFEW210JxrTbWN7knk9Tnz7wOE=";
   };
 
-  nativeBuildInputs = [ setuptools ];
+  build-system = [ setuptools ];
 
-  propagatedBuildInputs = [ requests ];
+  dependencies = [ requests ];
 
   # Project has no tests
   doCheck = false;