diff --git a/pkgs/development/python-modules/hlk-sw16/default.nix b/pkgs/development/python-modules/hlk-sw16/default.nix
new file mode 100644
index 000000000000..d013664ad25f
--- /dev/null
+++ b/pkgs/development/python-modules/hlk-sw16/default.nix
@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+}:
+
+buildPythonPackage rec {
+  pname = "hlk-sw16";
+  version = "0.0.9";
+
+  src = fetchFromGitHub {
+    owner = "jameshilliard";
+    repo = "hlk-sw16";
+    rev = version;
+    sha256 = "010s85nr6xn89i8yvdagg72a97dh1v2pyfqa33v76p9p8xbgh8dz";
+  };
+
+  # no tests implemented
+  doCheck = false;
+
+  pythonImportsCheck = [ "hlk_sw16" ];
+
+  meta = with lib; {
+    description = "Python client for HLK-SW16";
+    homepage = "https://github.com/jameshilliard/hlk-sw16";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 20c0d761137d..40d547d9bfaa 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -353,7 +353,7 @@
     "history_stats" = ps: with ps; [ sqlalchemy ];
     "hitron_coda" = ps: with ps; [ ];
     "hive" = ps: with ps; [ pyhiveapi ];
-    "hlk_sw16" = ps: with ps; [ ]; # missing inputs: hlk-sw16
+    "hlk_sw16" = ps: with ps; [ hlk-sw16 ];
     "home_connect" = ps: with ps; [ aiohttp-cors homeconnect ];
     "home_plus_control" = ps: with ps; [ aiohttp-cors homepluscontrol ];
     "homeassistant" = ps: with ps; [ ];
diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 020e60f23740..ed0643da4b75 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -446,6 +446,7 @@ in with py.pkgs; buildPythonApplication rec {
     "history"
     "history_stats"
     "hive"
+    "hlk_sw16"
     "home_connect"
     "home_plus_control"
     "homeassistant"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index fcca18779ed3..1c6bea30c07a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3252,6 +3252,8 @@ in {
 
   hkdf = callPackage ../development/python-modules/hkdf { };
 
+  hlk-sw16 = callPackage ../development/python-modules/hlk-sw16 { };
+
   hmmlearn = callPackage ../development/python-modules/hmmlearn { };
 
   hocr-tools = callPackage ../development/python-modules/hocr-tools { };