diff --git a/BioArchLinux/base-bio/PKGBUILD b/BioArchLinux/base-bio/PKGBUILD
new file mode 100644
index 0000000000..331e1fa6b7
--- /dev/null
+++ b/BioArchLinux/base-bio/PKGBUILD
@@ -0,0 +1,14 @@
+pkgname=base
+pkgver=1
+pkgrel=0
+pkgdesc='Minimal package set to define a basic BioArchLinux installation'
+url='https://www.bioarchlinux.org'
+arch=('any')
+license=('GPL')
+depends=(
+  # very very base
+  'base'
+
+  # BioArchLinux related
+  'bioarchlinux-pacmanconf' 'bioarchlinux-mirrorlist' 'bioarchlinux-keyring'
+)
diff --git a/BioArchLinux/bioarchlinux-pacmanconf/PKGBUILD b/BioArchLinux/bioarchlinux-pacmanconf/PKGBUILD
new file mode 100644
index 0000000000..b8f5c5418a
--- /dev/null
+++ b/BioArchLinux/bioarchlinux-pacmanconf/PKGBUILD
@@ -0,0 +1,20 @@
+# Maintainer: Guoyi
+
+pkgname=bioarchlinux-pacmanconf
+pkgver=2023.03.22
+pkgrel=0
+pkgdesc="BioArchLinux pacman conf for use by pacman"
+arch=('any')
+url="https://github.com/BioArchLinux/iso"
+license=('GPL')
+backup=(etc/pacman.conf)
+source=(https://raw.githubusercontent.com/BioArchLinux/iso/master/bio/pacman.conf)
+sha256sums=('bf34baf5b9b662e63a714946c9de8548c85daab14e4f10ba570234bb8a723228')
+pkgver(){
+  curl -sSi https://raw.githubusercontent.com/BioArchLinux/iso/master/bio/pacman.conf | grep 'date' | sed 's/Jan/01/g;s/Feb/02/g;s/Mar/03/g;s/Apr/04/g;s/May/05/g;s/Jun/06/g;s/Jul/07/g;s/Aug/08/g;s/Sep/09/g;s/Oct/10/g;s/Nov/11/g;s/Dec/12/g' | awk '{print $5,$4,$3}' | sed 's/ /./g'
+}
+package() {
+  mkdir -p "$pkgdir/etc/"
+  install -m644 "$srcdir/pacman.conf" "$pkgdir/etc/pacman.conf"
+}
+
diff --git a/BioArchLinux/bioarchlinux-pacmanconf/lilac.yaml b/BioArchLinux/bioarchlinux-pacmanconf/lilac.yaml
new file mode 100644
index 0000000000..d8c2fb49c2
--- /dev/null
+++ b/BioArchLinux/bioarchlinux-pacmanconf/lilac.yaml
@@ -0,0 +1,12 @@
+build_prefix: extra-x86_64
+maintainers:
+  - github: starsareintherose
+    email: kuoi@bioarchlinux.org
+pre_build_script: |
+  update_pkgver_and_pkgrel(_G.newver.lstrip('v'))
+  run_cmd(['updpkgsums'])
+post_build_script: |
+  git_pkgbuild_commit()
+update_on:
+  - source: cmd
+    cmd: curl -sSi https://raw.githubusercontent.com/BioArchLinux/iso/master/bio/pacman.conf | grep 'date' | sed 's/Jan/01/g;s/Feb/02/g;s/Mar/03/g;s/Apr/04/g;s/May/05/g;s/Jun/06/g;s/Jul/07/g;s/Aug/08/g;s/Sep/09/g;s/Oct/10/g;s/Nov/11/g;s/Dec/12/g' | awk '{print $5,$4,$3}' | sed 's/ /./g'