diff --git a/BioArchLinux/r-lpnet/PKGBUILD b/BioArchLinux/r-lpnet/PKGBUILD
index 325586b129..0b74990101 100644
--- a/BioArchLinux/r-lpnet/PKGBUILD
+++ b/BioArchLinux/r-lpnet/PKGBUILD
@@ -1,27 +1,28 @@
 # Maintainer: Guoyi Zhang <guoyizhang at malacology dot net>
 
 _pkgname=lpNet
-_pkgver=2.34.1
+_pkgver=2.34.2
 pkgname=r-${_pkgname,,}
-pkgver=2.34.1
-pkgrel=1
-pkgdesc='Linear Programming Model for Network Inference'
-arch=('any')
-url="https://bioconductor.org/packages/${_pkgname}"
-license=('Artistic2.0')
+pkgver=${_pkgver//-/.}
+pkgrel=0
+pkgdesc="Linear Programming Model for Network Inference"
+arch=(any)
+url="https://bioconductor.org/packages/$_pkgname"
+license=('Artistic-2.0')
 depends=(
-  r
+  r-kegggraph
   r-lpsolve
 )
 source=("https://bioconductor.org/packages/release/bioc/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
-sha256sums=('8fb89dcbd3c1d2eb43338961a9dc565efaf3a844db853613a7d1c1cdae41eefd')
+md5sums=('98de40db5eda03f2ae3b35cf04c6882c')
+b2sums=('1c248f30f0471c7a3fe31a2d79ca8cdc428d88e6b0f799366a0f2bf0b59dd599df45c9912d498d78cfc197cd259eea832841ebf7ea139b0f5f63440bb9d087a2')
 
 build() {
-  R CMD INSTALL ${_pkgname}_${_pkgver}.tar.gz -l "${srcdir}"
+  mkdir build
+  R CMD INSTALL -l build "$_pkgname"
 }
 
 package() {
-  install -dm0755 "${pkgdir}/usr/lib/R/library"
-  cp -a --no-preserve=ownership "${_pkgname}" "${pkgdir}/usr/lib/R/library"
+  install -d "$pkgdir/usr/lib/R/library"
+  cp -a --no-preserve=ownership "build/$_pkgname" "$pkgdir/usr/lib/R/library"
 }
-# vim:set ts=2 sw=2 et:
diff --git a/BioArchLinux/r-lpnet/lilac.py b/BioArchLinux/r-lpnet/lilac.py
index bd219c037c..9b979bf07c 100644
--- a/BioArchLinux/r-lpnet/lilac.py
+++ b/BioArchLinux/r-lpnet/lilac.py
@@ -1,12 +1,16 @@
 #!/usr/bin/env python3
 from lilaclib import *
 
+import os
+import sys
+sys.path.append(os.path.normpath(f'{__file__}/../../../lilac-extensions'))
+from lilac_r_utils import r_pre_build
+
 def pre_build():
-    for line in edit_file('PKGBUILD'):
-        if line.startswith('_pkgver='):
-            line = f'_pkgver={_G.newver}'
-        print(line)
-    update_pkgver_and_pkgrel(_G.newver.replace(':', '.').replace('-', '.'))
+    r_pre_build(
+        _G,
+        expect_license = "Artistic License 2.0",
+    )
 
 def post_build():
     git_pkgbuild_commit()
diff --git a/BioArchLinux/r-lpnet/lilac.yaml b/BioArchLinux/r-lpnet/lilac.yaml
index 882e28f16b..d7989de162 100644
--- a/BioArchLinux/r-lpnet/lilac.yaml
+++ b/BioArchLinux/r-lpnet/lilac.yaml
@@ -3,9 +3,11 @@ maintainers:
 - github: starsareintherose
   email: kuoi@bioarchlinux.org
 repo_depends:
+- r-kegggraph
 - r-lpsolve
 update_on:
-- regex: lpNet_([\d._-]+).tar.gz
-  source: regex
-  url: https://bioconductor.org/packages/lpNet
+- source: rpkgs
+  pkgname: lpNet
+  repo: bioc
+  md5: true
 - alias: r