diff --git a/pkgs/development/python-modules/pysmarty2/default.nix b/pkgs/development/python-modules/pysmarty2/default.nix
new file mode 100644
index 000000000000..67efcfb109b6
--- /dev/null
+++ b/pkgs/development/python-modules/pysmarty2/default.nix
@@ -0,0 +1,36 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  pymodbus,
+  setuptools,
+}:
+
+buildPythonPackage rec {
+  pname = "pysmarty2";
+  version = "0.10.2";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "martinssipenko";
+    repo = "pysmarty2";
+    tag = "v${version}";
+    hash = "sha256-vDm+ThPHb6O+CoBiRAVCA01O7yQqVLcmVb+Ca2JSljY=";
+  };
+
+  build-system = [ setuptools ];
+
+  dependencies = [ pymodbus ];
+
+  # Package has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "pysmarty2" ];
+
+  meta = {
+    description = "Python API for Salda Smarty Modbus TCP";
+    homepage = "https://github.com/martinssipenko/pysmarty2";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 590023f69ddf..a920bb2e3219 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -5468,7 +5468,8 @@
       ];
     "smarty" =
       ps: with ps; [
-      ]; # missing inputs: pysmarty2
+        pysmarty2
+      ];
     "smhi" =
       ps: with ps; [
         pysmhi
@@ -7641,6 +7642,7 @@
     "smart_meter_texas"
     "smartthings"
     "smarttub"
+    "smarty"
     "smhi"
     "smlight"
     "sms"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 460319841f31..3a8f64ede79d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14052,6 +14052,8 @@ self: super: with self; {
 
   pysmartthings = callPackage ../development/python-modules/pysmartthings { };
 
+  pysmarty2 = callPackage ../development/python-modules/pysmarty2 { };
+
   pysmb = callPackage ../development/python-modules/pysmb { };
 
   pysmbc = callPackage ../development/python-modules/pysmbc { };