diff --git a/pkgs/development/python-modules/pyws66i/default.nix b/pkgs/development/python-modules/pyws66i/default.nix
new file mode 100644
index 000000000000..41b56150d0ef
--- /dev/null
+++ b/pkgs/development/python-modules/pyws66i/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pyws66i";
+  version = "1.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "ssaenger";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-NTL2+xLqSNsz4YdUTwr0nFjhm1NNgB8qDnWSoE2sizY=";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "pyws66i"
+  ];
+
+  meta = with lib; {
+    description = "Library to interface with WS66i 6-zone amplifier";
+    homepage = "https://github.com/bigmoby/pyialarmxr";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 189207368ba3..143944f7c454 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8830,6 +8830,8 @@ in {
 
   pywlroots = callPackage ../development/python-modules/pywlroots { };
 
+  pyws66i = callPackage ../development/python-modules/pyws66i { };
+
   pyxattr = callPackage ../development/python-modules/pyxattr { };
 
   pyworld = callPackage ../development/python-modules/pyworld { };