diff --git a/pkgs/development/python-modules/momonga/default.nix b/pkgs/development/python-modules/momonga/default.nix
new file mode 100644
index 000000000000..d894d4f698e6
--- /dev/null
+++ b/pkgs/development/python-modules/momonga/default.nix
@@ -0,0 +1,39 @@
+{
+  buildPythonPackage,
+  fetchFromGitHub,
+  lib,
+  pyserial,
+  setuptools,
+}:
+
+buildPythonPackage rec {
+  pname = "momonga";
+  version = "0.1.5";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "nbtk";
+    repo = "momonga";
+    tag = "v${version}";
+    hash = "sha256-sc81L71DJq+XiIYUSMH6knfaPfV7cng/Sp0ZTY6N7ZI=";
+  };
+
+  build-system = [ setuptools ];
+
+  dependencies = [
+    pyserial
+  ];
+
+  pythonImportsCheck = [ "momonga" ];
+
+  # tests require access to the API
+  doCheck = false;
+
+  meta = {
+    changelog = "https://github.com/nbtk/momonga/releases/tag/${src.tag}";
+    description = "Python Route B Library: A Communicator for Low-voltage Smart Electric Energy Meters";
+    homepage = "https://github.com/nbtk/momonga";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0178d937ca6f..9cf17237c5b1 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9612,6 +9612,8 @@ self: super: with self; {
 
   momepy = callPackage ../development/python-modules/momepy { };
 
+  momonga = callPackage ../development/python-modules/momonga { };
+
   monai = callPackage ../development/python-modules/monai { };
 
   monai-deploy = callPackage ../development/python-modules/monai-deploy { };