diff --git a/pkgs/development/python-modules/pyinfra-testgen/default.nix b/pkgs/development/python-modules/pyinfra-testgen/default.nix
new file mode 100644
index 000000000000..9a426e492ca6
--- /dev/null
+++ b/pkgs/development/python-modules/pyinfra-testgen/default.nix
@@ -0,0 +1,43 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  uv-build,
+  pyyaml,
+}:
+
+buildPythonPackage rec {
+  pname = "pyinfra-testgen";
+  version = "0.1.1";
+  pyproject = true;
+
+  # no tags on GitHub
+  src = fetchPypi {
+    pname = "pyinfra_testgen";
+    inherit version;
+    hash = "sha256-c5pZ0SfRXC50vJZfnnf0HQgImf7hi2oQ5/XKMVNzlpc=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail "uv_build>=0.8.14,<0.9.0" uv_build
+  '';
+
+  build-system = [ uv-build ];
+
+  dependencies = [
+    pyyaml
+  ];
+
+  pythonImportsCheck = [ "testgen" ];
+
+  # upstream has no tests
+  doCheck = false;
+
+  meta = {
+    description = "Generate Python unit tests from JSON and YAML files";
+    homepage = "https://github.com/pyinfra-dev/testgen";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a2bbbc404c6b..d03660996f71 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13627,6 +13627,8 @@ self: super: with self; {
 
   pyinfra = callPackage ../development/python-modules/pyinfra { };
 
+  pyinfra-testgen = callPackage ../development/python-modules/pyinfra-testgen { };
+
   pyinotify = callPackage ../development/python-modules/pyinotify { };
 
   pyinputevent = callPackage ../development/python-modules/pyinputevent { };