diff --git a/pkgs/development/python-modules/testcontainers/default.nix b/pkgs/development/python-modules/testcontainers/default.nix
index 66607ed06fff..975537d1fc88 100644
--- a/pkgs/development/python-modules/testcontainers/default.nix
+++ b/pkgs/development/python-modules/testcontainers/default.nix
@@ -11,7 +11,7 @@
 
 buildPythonPackage rec {
   pname = "testcontainers";
-  version = "4.4.0";
+  version = "4.4.1";
   disabled = pythonOlder "3.9";
 
   pyproject = true;
@@ -20,14 +20,14 @@ buildPythonPackage rec {
     owner = "testcontainers";
     repo = "testcontainers-python";
     rev = "refs/tags/testcontainers-v${version}";
-    hash = "sha256-1iwbfArEjYxpEpMlmJ8rzVLXA8OSNT7ozkpTVTIL91U=";
+    hash = "sha256-osWppbptWpBSHcrHlAqNpn6j2n/qQ7iCobH3TVqB2bc=";
   };
 
   postPatch = ''
     echo "${version}" > VERSION
   '';
 
-  nativeBuildInputs = [
+  build-system = [
     poetry-core
   ];