diff --git a/pkgs/development/python-modules/aiosmtplib/default.nix b/pkgs/development/python-modules/aiosmtplib/default.nix
index fa8822675a22..59e0fc5bd597 100644
--- a/pkgs/development/python-modules/aiosmtplib/default.nix
+++ b/pkgs/development/python-modules/aiosmtplib/default.nix
@@ -4,7 +4,7 @@
   buildPythonPackage,
   fetchFromGitHub,
   hypothesis,
-  poetry-core,
+  hatchling,
   pytest-asyncio,
   pytestCheckHook,
   pythonOlder,
@@ -13,8 +13,8 @@
 
 buildPythonPackage rec {
   pname = "aiosmtplib";
-  version = "3.0.1";
-  format = "pyproject";
+  version = "3.0.2";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -22,10 +22,10 @@ buildPythonPackage rec {
     owner = "cole";
     repo = "aiosmtplib";
     rev = "refs/tags/v${version}";
-    hash = "sha256-67Z+k+PBIGP2oGb/52dMtsapUsHufvFcX+wWiMj5Jsg=";
+    hash = "sha256-1GuxlgNvzVv6hEQY1Mkv7NxAoOik9gpIS90a6flfC+k=";
   };
 
-  nativeBuildInputs = [ poetry-core ];
+  build-system = [ hatchling ];
 
   nativeCheckInputs = [
     aiosmtpd