diff --git a/pibuss/PKGBUILD b/pibuss/PKGBUILD
new file mode 100644
index 0000000000..a280dd79ba
--- /dev/null
+++ b/pibuss/PKGBUILD
@@ -0,0 +1,29 @@
+# Maintainer: Malacology <guoyizhang at malacology dot com>
+# Contributor: Malacology <guoyizhang at malacology dot com>
+
+pkgname=pibuss
+pkgver=1.4
+_pkgver=1-4
+pkgrel=1
+depends=(
+	'jre-openjdk-headless'
+	'jre-openjdk'
+	'jdk-openjdk'
+	'openjdk-doc'
+	'openjdk-src'
+)
+pkgdesc="a BEAST/BEAGLE utility for sequence simulation, which provides an easy to use interface that allows flexible and extensible phylogenetic data fabrication"
+arch=('x86_64')
+url="https://rega.kuleuven.be/cev/ecv/software/pibuss"
+license=('custom')
+source=("https://rega.kuleuven.be/cev/ecv/software/pibuss_files/pibuss-v${_pkgver}.jar" "pibuss.desktop" "pibuss.png")
+sha256sums=('a9d397ec6815339a2d4b268b99897a7d42250d4cd649b1ad2e458033e48b432c'
+            '96cc7d7b0ffce5358b14c981ac84355237f5c9c5599ca9ead16f1d1f11d29f40'
+            '18a508a9fc4fb169d366b7158095aa001f3ccc389f6aca8f2ae2df0b84413003')
+
+package() {
+    install -dm755 "$pkgdir"/usr/share/{applications,pibuss}
+    install -m 755 ${srcdir}/*.desktop ${pkgdir}/usr/share/applications
+    install -m 755 ${srcdir}/*.png ${pkgdir}/usr/share/pibuss
+    install -m 755 ${srcdir}/pibuss-v${_pkgver}.jar ${pkgdir}/usr/share/pibuss/pibuss.jar
+}
diff --git a/pibuss/lilac.py b/pibuss/lilac.py
new file mode 100755
index 0000000000..fcbff72939
--- /dev/null
+++ b/pibuss/lilac.py
@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+from lilaclib import *
+
+def pre_build():
+    update_pkgver_and_pkgrel(_G.newver.lstrip('v'))
+    run_cmd(['updpkgsums'])
+
+def post_build():
+    git_add_files('PKGBUILD')
+    git_commit()
diff --git a/pibuss/lilac.yaml b/pibuss/lilac.yaml
new file mode 100644
index 0000000000..82770c4585
--- /dev/null
+++ b/pibuss/lilac.yaml
@@ -0,0 +1,8 @@
+build_prefix: extra-x86_64
+maintainers:
+  - github: starsareintherose
+    email: starsareintherose@outlook.com
+update_on:
+  - source: regex
+    url: https://rega.kuleuven.be/cev/ecv/software/pibuss
+    regex: pibuss_v(/d+./d+).jar
diff --git a/pibuss/pibuss.desktop b/pibuss/pibuss.desktop
new file mode 100644
index 0000000000..6768372511
--- /dev/null
+++ b/pibuss/pibuss.desktop
@@ -0,0 +1,19 @@
+[Desktop Entry]
+Categories=
+Encoding=UTF-8
+Exec=java -jar /usr/share/pibuss/pibuss.jar
+GenericName=
+GenericName[zh]=
+Icon=/usr/share/pibuss/pibuss.png
+MimeType=
+Name=ΠBUSS
+Name[zh]=ΠBUSS
+ServiceTypes=
+SwallowExec=
+SwallowTitle=
+Terminal=false
+TerminalOptions=
+Type=Application
+X-KDE-SubstituteUID=false
+X-KDE-Username=root
+
diff --git a/pibuss/pibuss.png b/pibuss/pibuss.png
new file mode 100644
index 0000000000..6165a3c655
Binary files /dev/null and b/pibuss/pibuss.png differ