diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 4c849e9f4d21..b3fa7d35bd4f 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -15867,6 +15867,13 @@
     githubId = 4056630;
     name = "Patrick Steinhardt";
   };
+  pkulak = {
+    name = "Phil Kulak";
+    email = "phil@kulak.us";
+    matrix = "@phil:kulak.us";
+    github = "pkulak";
+    githubId = 502905;
+  };
   plabadens = {
     name = "Pierre Labadens";
     email = "labadens.pierre+nixpkgs@gmail.com";
diff --git a/pkgs/by-name/ri/river-filtile/package.nix b/pkgs/by-name/ri/river-filtile/package.nix
new file mode 100644
index 000000000000..e54c3e9b4305
--- /dev/null
+++ b/pkgs/by-name/ri/river-filtile/package.nix
@@ -0,0 +1,31 @@
+{ lib
+, rustPlatform
+, fetchFromGitHub
+, pkg-config
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "river-filtile";
+  version = "1.2.1";
+
+  src = fetchFromGitHub {
+    owner = "pkulak";
+    repo = "filtile";
+    rev = "v${version}";
+    hash = "sha256-wBU4CX6KGnTvrBsXvFAlRrvDqvHHbAlVkDqTCJx90G8=";
+  };
+
+  cargoHash = "sha256-W5e19gzkZZjTTSZdww2x7M0LnR/gClQxMeAiDITO3HY=";
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  meta = with lib; {
+    description = "A layout manager for the River window manager";
+    homepage = "https://github.com/pkulak/filtile";
+    license = licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ pkulak ];
+    mainProgram = "filtile";
+  };
+}