diff --git a/pkgs/development/python-modules/aiozoneinfo/default.nix b/pkgs/development/python-modules/aiozoneinfo/default.nix
new file mode 100644
index 000000000000..4f66cb62d444
--- /dev/null
+++ b/pkgs/development/python-modules/aiozoneinfo/default.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  poetry-core,
+  pytest-asyncio,
+  pytestCheckHook,
+  pythonOlder,
+  tzdata,
+}:
+
+buildPythonPackage rec {
+  pname = "aiozoneinfo";
+  version = "0.1.0";
+  pyproject = true;
+
+  disabled = pythonOlder "3.9";
+
+  src = fetchFromGitHub {
+    owner = "bluetooth-devices";
+    repo = "aiozoneinfo";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-gsU7dLLnV+KayfFcuhdcNZPk/XZHGhr6WXOQCIJvUHk=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail "--cov=aiozoneinfo --cov-report=term-missing:skip-covered" ""
+  '';
+
+  build-system = [ poetry-core ];
+
+  dependencies = [ tzdata ];
+
+  nativeCheckInputs = [
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "aiozoneinfo" ];
+
+  meta = with lib; {
+    description = "Tools to fetch zoneinfo with asyncio";
+    homepage = "https://github.com/bluetooth-devices/aiozoneinfo";
+    changelog = "https://github.com/bluetooth-devices/aiozoneinfo/blob/${version}/CHANGELOG.md";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/opower/default.nix b/pkgs/development/python-modules/opower/default.nix
index d889c97c3278..3807218268da 100644
--- a/pkgs/development/python-modules/opower/default.nix
+++ b/pkgs/development/python-modules/opower/default.nix
@@ -1,19 +1,20 @@
 {
   lib,
   aiohttp,
+  aiozoneinfo,
   arrow,
   buildPythonPackage,
   fetchFromGitHub,
   pyotp,
-  pytestCheckHook,
   python-dotenv,
+  pytestCheckHook,
   pythonOlder,
   setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "opower";
-  version = "0.4.5";
+  version = "0.4.6";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -22,19 +23,22 @@ buildPythonPackage rec {
     owner = "tronikos";
     repo = "opower";
     rev = "refs/tags/v${version}";
-    hash = "sha256-PBxxLbVOvJSFmDXgKeI5sICUR7NJGUEUUahK9eBsvbE=";
+    hash = "sha256-Q+BycHN83oD2yJz+jsYRjSdswYVHA7fJPwpWtNsmi9M=";
   };
 
   build-system = [ setuptools ];
 
   dependencies = [
     aiohttp
+    aiozoneinfo
     arrow
     pyotp
-    python-dotenv
   ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    pytestCheckHook
+    python-dotenv
+  ];
 
   pythonImportsCheck = [ "opower" ];
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d20910a5302c..16b8ff5cb46d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -463,6 +463,8 @@ self: super: with self; {
 
   aiozeroconf = callPackage ../development/python-modules/aiozeroconf { };
 
+  aiozoneinfo = callPackage ../development/python-modules/aiozoneinfo { };
+
   airium = callPackage ../development/python-modules/airium { };
 
   airly = callPackage ../development/python-modules/airly { };