diff --git a/pkgs/development/python-modules/kasa-crypt/default.nix b/pkgs/development/python-modules/kasa-crypt/default.nix
new file mode 100644
index 000000000000..ae208f61c663
--- /dev/null
+++ b/pkgs/development/python-modules/kasa-crypt/default.nix
@@ -0,0 +1,51 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, cython
+, poetry-core
+, pytestCheckHook
+, setuptools
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "kasa-crypt";
+  version = "0.2.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "bdraco";
+    repo = "kasa-crypt";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-w/LA3BqxUcu1+nwq55g+v/QMhz8/uCTz2aRDYIdGPtk=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace " --cov=kasa_crypt --cov-report=term-missing:skip-covered" ""
+  '';
+
+  nativeBuildInputs = [
+    cython
+    poetry-core
+    setuptools
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "kasa_crypt"
+  ];
+
+  meta = with lib; {
+    description = "Fast kasa crypt";
+    homepage = "https://github.com/bdraco/kasa-crypt";
+    changelog = "https://github.com/bdraco/kasa-crypt/blob/${version}/CHANGELOG.md";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/sense-energy/default.nix b/pkgs/development/python-modules/sense-energy/default.nix
index 61f1477c7c51..43836e882303 100644
--- a/pkgs/development/python-modules/sense-energy/default.nix
+++ b/pkgs/development/python-modules/sense-energy/default.nix
@@ -3,6 +3,7 @@
 , fetchFromGitHub
 , aiohttp
 , async-timeout
+, kasa-crypt
 , orjson
 , pythonOlder
 , requests
@@ -12,7 +13,7 @@
 
 buildPythonPackage rec {
   pname = "sense-energy";
-  version = "0.11.2";
+  version = "0.12.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -21,7 +22,7 @@ buildPythonPackage rec {
     owner = "scottbonline";
     repo = "sense";
     rev = "refs/tags/${version}";
-    hash = "sha256-i6XI6hiQTOGHB4KcDgz/MlYAhdEKaElLfNMq2R0fgu8=";
+    hash = "sha256-LVpTB7Q78N/cRbneJJ1aT+lFE790ssdMHo8VRirtDHY=";
   };
 
   postPatch = ''
@@ -32,6 +33,7 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     aiohttp
     async-timeout
+    kasa-crypt
     orjson
     requests
     websocket-client
@@ -48,6 +50,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "API for the Sense Energy Monitor";
     homepage = "https://github.com/scottbonline/sense";
+    changelog = "https://github.com/scottbonline/sense/releases/tag/${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ dotlambda ];
   };
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index abd5f1b7426d..5a8949202ad9 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5435,6 +5435,8 @@ self: super: with self; {
 
   karton-yaramatcher = callPackage ../development/python-modules/karton-yaramatcher { };
 
+  kasa-crypt = callPackage ../development/python-modules/kasa-crypt { };
+
   kazoo = callPackage ../development/python-modules/kazoo { };
 
   kbcstorage = callPackage ../development/python-modules/kbcstorage { };