diff --git a/BioArchLinux/r-collapse/PKGBUILD b/BioArchLinux/r-collapse/PKGBUILD
new file mode 100644
index 0000000000..65b1e2ff11
--- /dev/null
+++ b/BioArchLinux/r-collapse/PKGBUILD
@@ -0,0 +1,61 @@
+# Maintainer: Pekka Ristola <pekkarr [at] protonmail [dot] com>
+
+_pkgname=collapse
+_pkgver=1.9.6
+pkgname=r-${_pkgname,,}
+pkgver=${_pkgver//-/.}
+pkgrel=1
+pkgdesc="Advanced and Fast Data Transformation"
+arch=(x86_64)
+url="https://cran.r-project.org/package=${_pkgname}"
+license=(GPL)
+depends=(
+  r-rcpp
+)
+checkdepends=(
+  r-data.table
+  r-dplyr
+  r-fixest
+  r-magrittr
+  r-testthat
+)
+optdepends=(
+  r-covr
+  r-data.table
+  r-dplyr
+  r-fastverse
+  r-fixest
+  r-ggplot2
+  r-kit
+  r-knitr
+  r-magrittr
+  r-microbenchmark
+  r-plm
+  r-rcpparmadillo
+  r-rcppeigen
+  r-rmarkdown
+  r-scales
+  r-testthat
+  r-tibble
+  r-vars
+  r-xts
+  r-zoo
+)
+source=("https://cran.r-project.org/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
+md5sums=('5684f2d09b3c99d0cd8a1a49bf48cda4')
+sha256sums=('2f835472e331ce5d21e0547e68c7fde14ace6d71d104b7cd21ff823eadafb51e')
+
+build() {
+  mkdir -p build
+  R CMD INSTALL "$_pkgname" -l build
+}
+
+check() {
+  cd "$_pkgname/tests"
+  R_LIBS="$srcdir/build" NOT_CRAN=true Rscript --vanilla testthat.R
+}
+
+package() {
+  install -d "$pkgdir/usr/lib/R/library"
+  cp -a --no-preserve=ownership "build/$_pkgname" "$pkgdir/usr/lib/R/library"
+}
diff --git a/BioArchLinux/r-collapse/lilac.py b/BioArchLinux/r-collapse/lilac.py
new file mode 100644
index 0000000000..3d1ec22746
--- /dev/null
+++ b/BioArchLinux/r-collapse/lilac.py
@@ -0,0 +1,17 @@
+#!/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():
+    r_pre_build(
+        _G,
+        expect_license = "GPL (>= 2) | file LICENSE",
+    )
+
+def post_build():
+    git_pkgbuild_commit()
+    update_aur_repo()
diff --git a/BioArchLinux/r-collapse/lilac.yaml b/BioArchLinux/r-collapse/lilac.yaml
new file mode 100644
index 0000000000..ce995d2f79
--- /dev/null
+++ b/BioArchLinux/r-collapse/lilac.yaml
@@ -0,0 +1,18 @@
+build_prefix: extra-x86_64
+maintainers:
+- github: pekkarr
+  email: pekkarr@protonmail.com
+repo_depends:
+- r-rcpp
+repo_makedepends:
+- r-data.table
+- r-dplyr
+- r-fixest
+- r-magrittr
+- r-testthat
+update_on:
+- source: rpkgs
+  pkgname: collapse
+  repo: cran
+  md5: true
+- alias: r