diff --git a/pkgs/by-name/ca/catnest/package.nix b/pkgs/by-name/ca/catnest/package.nix
new file mode 100644
index 000000000000..3e2349818818
--- /dev/null
+++ b/pkgs/by-name/ca/catnest/package.nix
@@ -0,0 +1,46 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  installShellFiles,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "catnest";
+  version = "0.2.1";
+
+  src = fetchFromGitHub {
+    owner = "eweOS";
+    repo = "catnest";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-/t1clnxBNU5lfTjtUbt5eOl5KPeAfG8Hq6jBVMqkkWY=";
+  };
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  buildPhase = ''
+    runHook preBuild
+
+    $CC catnest.c -o catnest -std=gnu99
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 catnest -t $out/bin
+    installManPage catnest.1
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Small, single-file and POSIX-compatible substituion for systemd-sysusers";
+    homepage = "https://github.com/eweOS/catnest";
+    license = lib.licenses.mit;
+    mainProgram = "catnest";
+    maintainers = with lib.maintainers; [ aleksana ];
+    platforms = lib.platforms.unix;
+  };
+})