diff --git a/pkgs/development/python-modules/leaone-ble/default.nix b/pkgs/development/python-modules/leaone-ble/default.nix
new file mode 100644
index 0000000000000..5df616e5f8d66
--- /dev/null
+++ b/pkgs/development/python-modules/leaone-ble/default.nix
@@ -0,0 +1,52 @@
+{
+  lib,
+  bluetooth-data-tools,
+  bluetooth-sensor-state-data,
+  buildPythonPackage,
+  fetchFromGitHub,
+  home-assistant-bluetooth,
+  poetry-core,
+  pytest-cov-stub,
+  pytestCheckHook,
+  pythonOlder,
+  sensor-state-data,
+}:
+
+buildPythonPackage rec {
+  pname = "leaone-ble";
+  version = "0.1.0";
+  pyproject = true;
+
+  disabled = pythonOlder "3.11";
+
+  src = fetchFromGitHub {
+    owner = "bluetooth-devices";
+    repo = "leaone-ble";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-usFjI0zU89dEAbmx9mVemoxlYS8mmLTKIMhH26Rvkeg=";
+  };
+
+  build-system = [ poetry-core ];
+
+  dependencies = [
+    bluetooth-data-tools
+    bluetooth-sensor-state-data
+    home-assistant-bluetooth
+    sensor-state-data
+  ];
+
+  nativeCheckInputs = [
+    pytest-cov-stub
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "leaone_ble" ];
+
+  meta = {
+    description = "Bluetooth parser for LeaOne devices";
+    homepage = "https://github.com/bluetooth-devices/leaone-ble";
+    changelog = "https://github.com/bluetooth-devices/leaone-ble/blob/${src.rev}/CHANGELOG.md";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index c93313e94aa5b..1a6dba594ecea 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -2334,13 +2334,14 @@
       hassil
       home-assistant-intents
       ifaddr
+      leaone-ble
       mutagen
       pymicro-vad
       pyserial
       pyspeex-noise
       pyudev
       zeroconf
-    ]; # missing inputs: leaone-ble
+    ];
     "led_ble" = ps: with ps; [
       aioesphomeapi
       aioruuvigateway
@@ -5401,6 +5402,7 @@
     "lawn_mower"
     "lcn"
     "ld2410_ble"
+    "leaone"
     "led_ble"
     "lektrico"
     "lg_netcast"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9e6aecf083dcd..92ae3b9d02dab 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7014,6 +7014,8 @@ self: super: with self; {
 
   leanblueprint = callPackage ../development/python-modules/leanblueprint { };
 
+  leaone-ble = callPackage ../development/python-modules/leaone-ble { };
+
   leb128 = callPackage ../development/python-modules/leb128 { };
 
   led-ble = callPackage ../development/python-modules/led-ble { };