diff --git a/BioArchLinux/r-rugarch/PKGBUILD b/BioArchLinux/r-rugarch/PKGBUILD
index 0edf0acff5..8895d97576 100644
--- a/BioArchLinux/r-rugarch/PKGBUILD
+++ b/BioArchLinux/r-rugarch/PKGBUILD
@@ -1,43 +1,45 @@
-# Maintainer: sukanka <su975853527@gmail.com>
+# Maintainer: Pekka Ristola <pekkarr [at] protonmail [dot] com>
+# Contributor: sukanka <su975853527@gmail.com>
 
 _pkgname=rugarch
-_pkgver=1.4-9
+_pkgver=1.5-1
 pkgname=r-${_pkgname,,}
-pkgver=1.4.9
-pkgrel=2
-pkgdesc='Univariate GARCH Models'
-arch=('x86_64')
+pkgver=${_pkgver//-/.}
+pkgrel=0
+pkgdesc="Univariate GARCH Models"
+arch=(x86_64)
 url="https://cran.r-project.org/package=${_pkgname}"
-license=('GPL')
+license=(GPL3)
 depends=(
-  r
   r-chron
   r-ks
+  r-nloptr
   r-numderiv
   r-rcpp
-  r-rcpparmadillo
   r-rsolnp
   r-skewhyperbolic
   r-spd
   r-xts
   r-zoo
 )
+makedepends=(
+  gcc-fortran
+  r-rcpparmadillo
+)
 optdepends=(
   r-knitr
   r-rmarkdown
 )
-makedepends=(
-  gcc-fortran
-)
 source=("https://cran.r-project.org/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
-sha256sums=('0fc11fe2435b5202bf299aee7be1078bfb994776020926326c0360aaddf7ea05')
+md5sums=('98d9cb00c50db386ca21f716656df2b6')
+sha256sums=('9ffe510807ebafaa689a357c10df3523e3231b473b3eae18783f528c1577de1e')
 
 build() {
-  R CMD INSTALL ${_pkgname}_${_pkgver}.tar.gz -l "${srcdir}"
+  mkdir -p build
+  R CMD INSTALL "$_pkgname" -l build
 }
 
 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-rugarch/lilac.py b/BioArchLinux/r-rugarch/lilac.py
index cc91618b28..b5cdb057c5 100644
--- a/BioArchLinux/r-rugarch/lilac.py
+++ b/BioArchLinux/r-rugarch/lilac.py
@@ -1,9 +1,14 @@
 #!/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)
+
+def post_build():
+    git_pkgbuild_commit()
+    update_aur_repo()
diff --git a/BioArchLinux/r-rugarch/lilac.yaml b/BioArchLinux/r-rugarch/lilac.yaml
index 02a1e56fe0..52537b3b7e 100644
--- a/BioArchLinux/r-rugarch/lilac.yaml
+++ b/BioArchLinux/r-rugarch/lilac.yaml
@@ -1,22 +1,23 @@
 build_prefix: extra-x86_64
 maintainers:
-  - github: sukanka
-post_build_script: |
-  git_pkgbuild_commit()
-  update_aur_repo()
+- github: pekkarr
+  email: pekkarr@protonmail.com
 repo_depends:
-  - r-chron
-  - r-ks
-  - r-numderiv
-  - r-rcpp
-  - r-rcpparmadillo
-  - r-rsolnp
-  - r-skewhyperbolic
-  - r-spd
-  - r-xts
-  - r-zoo
+- r-chron
+- r-ks
+- r-nloptr
+- r-numderiv
+- r-rcpp
+- r-rsolnp
+- r-skewhyperbolic
+- r-spd
+- r-xts
+- r-zoo
+repo_makedepends:
+- r-rcpparmadillo
 update_on:
-  - regex: rugarch_([\d._-]+).tar.gz
-    source: regex
-    url: https://cran.r-project.org/package=rugarch
-  - alias: r
+- source: rpkgs
+  pkgname: rugarch
+  repo: cran
+  md5: true
+- alias: r