diff --git a/BioArchLinux/r-a4preproc/PKGBUILD b/BioArchLinux/r-a4preproc/PKGBUILD
index e656675be4..ce9f05b30d 100644
--- a/BioArchLinux/r-a4preproc/PKGBUILD
+++ b/BioArchLinux/r-a4preproc/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Guoyi Zhang <guoyizhang at malacology dot net>
 
 _pkgname=a4Preproc
-_pkgver=1.52.0
+_pkgver=1.54.0
 pkgname=r-${_pkgname,,}
 pkgver=${_pkgver//-/.}
 pkgrel=1
@@ -20,8 +20,8 @@ optdepends=(
   r-rmarkdown
 )
 source=("https://bioconductor.org/packages/release/bioc/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
-md5sums=('c923d40afe98b9d70b07d1c181ef5a55')
-b2sums=('84011302d4c5cdbe29dd969795e316201a7f5a33c83caee2c6628078e2a55119b856384cf6f443220bccb4e61e39fd0925f2bd02efa36cc16e18c385f4a31884')
+md5sums=('b3655d08032f31ffc898cb0904221173')
+b2sums=('97918387171fc091ea63f8e8ae43c2306feb2eb14b04291b7314ef881f0595778a051a5ed413ac4cf9a5f5a1cf3e78aa2922ab88ea932939c555771cc9e96160')
 
 build() {
   mkdir build