diff --git a/pkgs/by-name/ar/arpa2-leaf/package.nix b/pkgs/by-name/ar/arpa2-leaf/package.nix
new file mode 100644
index 000000000000..3881c6094014
--- /dev/null
+++ b/pkgs/by-name/ar/arpa2-leaf/package.nix
@@ -0,0 +1,51 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitLab,
+  cmake,
+  arpa2cm,
+  quickder,
+  quickmem,
+  quick-sasl,
+  lillydap,
+  nix-update-script,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  # leaf is already used
+  pname = "arpa2-leaf";
+  version = "0.2";
+
+  src = fetchFromGitLab {
+    owner = "arpa2";
+    repo = "leaf";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-s52gtxM+BmG7oVrB5F0ORjkb4F3fWONiOxIWdDn2P5k=";
+  };
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  buildInputs = [
+    arpa2cm
+    quickder
+    quickmem
+    quick-sasl
+    lillydap
+  ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "LDAP Extended Attribute Filter";
+    homepage = "https://gitlab.com/arpa2/leaf";
+    changelog = "https://gitlab.com/arpa2/leaf/-/blob/v${finalAttrs.version}/CHANGES";
+    license = lib.licenses.bsd2;
+    teams = with lib.teams; [ ngi ];
+    maintainers = with lib.maintainers; [ ethancedwards8 ];
+    platforms = lib.platforms.linux;
+  };
+})