diff --git a/pkgs/development/python-modules/regenmaschine/default.nix b/pkgs/development/python-modules/regenmaschine/default.nix
index 92e5c680b7308..a2c004fba7b85 100644
--- a/pkgs/development/python-modules/regenmaschine/default.nix
+++ b/pkgs/development/python-modules/regenmaschine/default.nix
@@ -1,7 +1,6 @@
 { lib
 , aiohttp
 , aresponses
-, asynctest
 , buildPythonPackage
 , fetchFromGitHub
 , poetry-core
@@ -18,7 +17,7 @@ buildPythonPackage rec {
   version = "2022.11.2";
   format = "pyproject";
 
-  disabled = pythonOlder "3.8";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "bachya";
@@ -38,7 +37,6 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     aresponses
-    asynctest
     pytest-aiohttp
     pytest-asyncio
     pytest-mock