diff --git a/pkgs/development/python-modules/pyopnsense/default.nix b/pkgs/development/python-modules/pyopnsense/default.nix
new file mode 100644
index 00000000000..f4f5bf6c70d
--- /dev/null
+++ b/pkgs/development/python-modules/pyopnsense/default.nix
@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, fixtures
+, mock
+, pbr
+, pytest-cov
+, pytestCheckHook
+, pythonOlder
+, requests
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "pyopnsense";
+  version = "0.3.0";
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "06rssdb3zhccnm63z96mw5yd38d9i99fgigfcdxn9divalbbhp5a";
+  };
+
+  propagatedBuildInputs = [
+    pbr
+    six
+    requests
+  ];
+
+  checkInputs = [
+    fixtures
+    mock
+    pytest-cov
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "pyopnsense" ];
+
+  meta = with lib; {
+    description = "Python client for the OPNsense API";
+    homepage = "https://github.com/mtreinish/pyopnsense";
+    license = with licenses; [ gpl3Plus ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 1c5ec6235f8..7fff41ccb28 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -590,7 +590,7 @@
     "opentherm_gw" = ps: with ps; [ ]; # missing inputs: pyotgw
     "openuv" = ps: with ps; [ ]; # missing inputs: pyopenuv
     "openweathermap" = ps: with ps; [ pyowm ];
-    "opnsense" = ps: with ps; [ ]; # missing inputs: pyopnsense
+    "opnsense" = ps: with ps; [ pyopnsense ];
     "opple" = ps: with ps; [ ]; # missing inputs: pyoppleio
     "orangepi_gpio" = ps: with ps; [ ]; # missing inputs: OPi.GPIO
     "oru" = ps: with ps; [ ]; # missing inputs: oru
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4fc535f60f4..828d0fb9df5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5595,6 +5595,8 @@ in {
 
   pyopenssl = callPackage ../development/python-modules/pyopenssl { };
 
+  pyopnsense = callPackage ../development/python-modules/pyopnsense { };
+
   pyosf = callPackage ../development/python-modules/pyosf { };
 
   pyosmium = callPackage ../development/python-modules/pyosmium { };