diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 982ff788af9e..ee27343f4fb3 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -28427,6 +28427,12 @@
     github = "weitzj";
     githubId = 829277;
   };
+  wellmannmathis = {
+    email = "wellmannmathis@gmail.com";
+    github = "MathisWellmann";
+    githubId = 26856233;
+    name = "Mathis Wellmann";
+  };
   welteki = {
     email = "welteki@pm.me";
     github = "welteki";
diff --git a/pkgs/by-name/ho/hongdown/package.nix b/pkgs/by-name/ho/hongdown/package.nix
new file mode 100644
index 000000000000..108aeaf8cd85
--- /dev/null
+++ b/pkgs/by-name/ho/hongdown/package.nix
@@ -0,0 +1,25 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+}:
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "hongdown";
+  version = "0.3.2";
+
+  src = fetchFromGitHub {
+    owner = "dahlia";
+    repo = "hongdown";
+    tag = finalAttrs.version;
+    hash = "sha256-zk5pwiBonI24ZocnpzAbrZ1gfehm+hwjFUeUKcrCnMc=";
+  };
+  cargoHash = "sha256-62cj+gqXgrIqnH82mLFryKgoUJzY3Zw7P/MusYVZiIw=";
+  meta = {
+    description = "Markdown formatter that enforces Hong Minhee's Markdown style conventions";
+    mainProgram = "hongdown";
+    homepage = "https://github.com/dahlia/hongdown";
+    changelog = "https://github.com/dahlia/hongdown/blob/main/CHANGES.md";
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ wellmannmathis ];
+  };
+})