diff --git a/pkgs/development/python-modules/hatasmota/default.nix b/pkgs/development/python-modules/hatasmota/default.nix
new file mode 100644
index 00000000000..91693343457
--- /dev/null
+++ b/pkgs/development/python-modules/hatasmota/default.nix
@@ -0,0 +1,34 @@
+{ lib
+, attrs
+, buildPythonPackage
+, fetchFromGitHub
+, voluptuous
+}:
+
+buildPythonPackage rec {
+  pname = "hatasmota";
+  version = "0.2.5";
+
+  src = fetchFromGitHub {
+    owner = "emontnemery";
+    repo = pname;
+    rev = version;
+    sha256 = "1xsqrpd0dprjfaa2yrdy1g9n4xyrw6ifnzkrh3sq5fx0yfmxbzqm";
+  };
+
+  propagatedBuildInputs = [
+    attrs
+    voluptuous
+  ];
+
+  # Project has no tests
+  doCheck = false;
+  pythonImportsCheck = [ "hatasmota" ];
+
+  meta = with lib; {
+    description = "Python module to help parse and construct Tasmota MQTT messages";
+    homepage = "https://github.com/emontnemery/hatasmota";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 13111ae4760..896d63c0810 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -816,7 +816,7 @@
     "tank_utility" = ps: with ps; [ ]; # missing inputs: tank_utility
     "tankerkoenig" = ps: with ps; [ ]; # missing inputs: pytankerkoenig
     "tapsaff" = ps: with ps; [ ]; # missing inputs: tapsaff
-    "tasmota" = ps: with ps; [ aiohttp-cors paho-mqtt ]; # missing inputs: hatasmota
+    "tasmota" = ps: with ps; [ aiohttp-cors hatasmota paho-mqtt ];
     "tautulli" = ps: with ps; [ ]; # missing inputs: pytautulli
     "tcp" = ps: with ps; [ ];
     "ted5000" = ps: with ps; [ xmltodict ];
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 661a7c4202c..4f801a28882 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2822,6 +2822,8 @@ in {
 
   hass-nabucasa = callPackage ../development/python-modules/hass-nabucasa { };
 
+  hatasmota = callPackage ../development/python-modules/hatasmota { };
+
   hawkauthlib = callPackage ../development/python-modules/hawkauthlib { };
 
   hbmqtt = callPackage ../development/python-modules/hbmqtt { };