diff --git a/pkgs/by-name/li/lillydap/package.nix b/pkgs/by-name/li/lillydap/package.nix
new file mode 100644
index 000000000000..d095f3a4a8ca
--- /dev/null
+++ b/pkgs/by-name/li/lillydap/package.nix
@@ -0,0 +1,46 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitLab,
+  cmake,
+  gperf,
+  arpa2cm,
+  quickder,
+  nix-update-script,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "lillydap";
+  version = "1.0.1";
+
+  src = fetchFromGitLab {
+    owner = "arpa2";
+    repo = "lillydap";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-SQuvu1A9Iq/fKthfYyVQGWFuyHYnhIry/wvnwgdMKHY=";
+  };
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    cmake
+    gperf
+  ];
+
+  buildInputs = [
+    arpa2cm
+    quickder
+  ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Little LDAP: Event-driven, lock-free kernel for dynamic data servers, clients, filters";
+    homepage = "https://gitlab.com/arpa2/lillydap";
+    changelog = "https://gitlab.com/arpa2/lillydap/-/blob/v${finalAttrs.version}/CHANGES";
+    license = lib.licenses.bsd2;
+    teams = with lib.teams; [ ngi ];
+    maintainers = with lib.maintainers; [ ethancedwards8 ];
+    platforms = lib.platforms.unix;
+  };
+})