diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 1a5642144d5c..068b1ad3d798 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -12943,6 +12943,13 @@
       fingerprint = "939E F8A5 CED8 7F50 5BB5  B2D0 24BC 2738 5F70 234F";
     }];
   };
+  octodi = {
+    name = "octodi";
+    email = "octodi@proton.me";
+    matrix = "@octodi:matrix.org";
+    github = "octodi";
+    githubId = 127038896;
+  };
   oddlama = {
     email = "oddlama@oddlama.org";
     github = "oddlama";
diff --git a/pkgs/by-name/ar/arjun/package.nix b/pkgs/by-name/ar/arjun/package.nix
new file mode 100644
index 000000000000..bd98e1c1cb33
--- /dev/null
+++ b/pkgs/by-name/ar/arjun/package.nix
@@ -0,0 +1,43 @@
+{ lib
+, python3
+, fetchFromGitHub
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "arjun";
+  version = "2.2.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "s0md3v";
+    repo = "Arjun";
+    rev = "refs/tags/${version}";
+    hash = "sha256-YxfUlD7aBwoYYsZE0zTZxoXg1TgU2yT1V+mglmsXtlo=";
+  };
+
+  nativeBuildInputs = with python3.pkgs; [
+    setuptools
+    wheel
+  ];
+
+  propagatedBuildInputs = with python3.pkgs; [
+    requests
+    dicttoxml
+  ];
+
+  # Project has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "arjun"
+  ];
+
+  meta = with lib; {
+    description = "HTTP parameter discovery suite";
+    homepage = "https://github.com/s0md3v/Arjun";
+    changelog = "https://github.com/s0md3v/Arjun/blob/${version}/CHANGELOG.md";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ octodi ];
+    mainProgram = "arjun";
+  };
+}