diff --git a/pkgs/development/python-modules/intellifire4py/default.nix b/pkgs/development/python-modules/intellifire4py/default.nix
index 49f9bcc6d20e..a37f378939b7 100644
--- a/pkgs/development/python-modules/intellifire4py/default.nix
+++ b/pkgs/development/python-modules/intellifire4py/default.nix
@@ -5,7 +5,7 @@
   fetchFromGitHub,
   aiohttp,
   aioresponses,
-  poetry-core,
+  hatchling,
   pydantic,
   pytest-asyncio,
   pytest-httpx,
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "intellifire4py";
-  version = "4.1.9";
+  version = "4.2.1";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -25,12 +25,12 @@ buildPythonPackage rec {
     owner = "jeeftor";
     repo = "intellifire4py";
     tag = "v${version}";
-    hash = "sha256-dMhm2gntLV7ev6UIfHFMATytZo5blTlALuh9sBirkqI=";
+    hash = "sha256-kCZkIR8SmrLTm86M87juV7oQ+O01AA4pzkBMnKCnbNA=";
   };
 
-  nativeBuildInputs = [ poetry-core ];
+  build-system = [ hatchling ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     aiohttp
     aenum
     pydantic
@@ -48,10 +48,11 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Module to read Intellifire fireplace status data";
-    mainProgram = "intellifire4py";
     homepage = "https://github.com/jeeftor/intellifire4py";
-    changelog = "https://github.com/jeeftor/intellifire4py/releases/tag/v${version}";
-    license = with licenses; [ mit ];
+    changelog = "https://github.com/jeeftor/intellifire4py/releases/tag/v${src.tag}";
+    license = licenses.mit;
     maintainers = with maintainers; [ fab ];
+    mainProgram = "intellifire4py";
+
   };
 }