diff --git a/clustalw/PKGBUILD b/clustalw/PKGBUILD
new file mode 100755
index 0000000000..14c6560ef1
--- /dev/null
+++ b/clustalw/PKGBUILD
@@ -0,0 +1,30 @@
+# Maintainer: Hu Butui <hot123tea123@gmail.com>
+
+pkgname=clustalw
+pkgver=2.1
+pkgrel=2
+pkgdesc='Multiple alignment of nucleic acid and protein sequences (command line tool)'
+arch=('x86_64')
+url='http://www.clustal.org/clustal2'
+license=('LGPL3')
+depends=(
+  gcc-libs
+)
+makedepends=(
+)
+options=(!emptydirs)
+source=("${pkgname}-${pkgver}.tar.gz::http://www.clustal.org/download/current/clustalw-${pkgver}.tar.gz")
+sha256sums=('e052059b87abfd8c9e695c280bfba86a65899138c82abccd5b00478a80f49486')
+
+build() {
+  cd "${pkgname}-${pkgver}"
+  ./configure \
+    --prefix=/usr
+  make
+}
+
+package() {
+  cd "${pkgname}-${pkgver}"
+  make DESTDIR="${pkgdir}" install
+}
+# vim:set ts=2 sw=2 et:
diff --git a/clustalw/lilac.py b/clustalw/lilac.py
new file mode 100755
index 0000000000..19737b8d62
--- /dev/null
+++ b/clustalw/lilac.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+
+from lilaclib import *
+
+
+def pre_build():
+  update_pkgver_and_pkgrel(_G.newver.lstrip('v'))
+
+def post_build():
+  git_pkgbuild_commit()
+# vim:set ts=2 sw=2 et:
+
diff --git a/clustalw/lilac.yaml b/clustalw/lilac.yaml
new file mode 100755
index 0000000000..34b9e75a06
--- /dev/null
+++ b/clustalw/lilac.yaml
@@ -0,0 +1,10 @@
+maintainers:
+  - github: starsareintherose
+    email: starsareintherose@outlook.com
+build_prefix: extra-x86_64
+update_on:
+  - source: regex
+    url: "http://www.clustal.org/download/current"
+    regex: 'clustalw-(\d+.\d+)'
+# vim:set ts=2 sw=2 et:
+