diff --git a/pkgs/development/python-modules/pylacrosse/default.nix b/pkgs/development/python-modules/pylacrosse/default.nix
new file mode 100644
index 000000000000..74b244f52965
--- /dev/null
+++ b/pkgs/development/python-modules/pylacrosse/default.nix
@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, mock
+, nose
+, pyserial
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pylacrosse";
+  version = "0.4";
+
+  src = fetchFromGitHub {
+    owner = "hthiery";
+    repo = "python-lacrosse";
+    rev = version;
+    sha256 = "0g5hqm8lq0gsnvhcydjk54rjf7lpxzph8k7w1nnvnqfbhf31xfcf";
+  };
+
+  propagatedBuildInputs = [ pyserial ];
+
+  checkInputs = [
+    mock
+    nose
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "pylacrosse" ];
+
+  meta = with lib; {
+    description = "Python library for Jeelink LaCrosse";
+    homepage = "https://github.com/hthiery/python-lacrosse";
+    license = with licenses; [ lgpl2Plus ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 6ad57798b6b4..611bb68aea30 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -423,7 +423,7 @@
     "konnected" = ps: with ps; [ aiohttp-cors ]; # missing inputs: konnected
     "kulersky" = ps: with ps; [ ]; # missing inputs: pykulersky
     "kwb" = ps: with ps; [ ]; # missing inputs: pykwb
-    "lacrosse" = ps: with ps; [ ]; # missing inputs: pylacrosse
+    "lacrosse" = ps: with ps; [ pylacrosse ];
     "lametric" = ps: with ps; [ ]; # missing inputs: lmnotify
     "lannouncer" = ps: with ps; [ ];
     "lastfm" = ps: with ps; [ pylast ];
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 180c4465a62d..36ab317c27cb 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5365,6 +5365,8 @@ in {
 
   pykwalify = callPackage ../development/python-modules/pykwalify { };
 
+  pylacrosse = callPackage ../development/python-modules/pylacrosse { };
+
   pylama = callPackage ../development/python-modules/pylama { };
 
   pylast = callPackage ../development/python-modules/pylast { };