diff --git a/BioArchLinux/r-isobar/PKGBUILD b/BioArchLinux/r-isobar/PKGBUILD
index 59ba6e3c43..aad4dd4e13 100644
--- a/BioArchLinux/r-isobar/PKGBUILD
+++ b/BioArchLinux/r-isobar/PKGBUILD
@@ -1,9 +1,9 @@
 # Maintainer: Guoyi Zhang <guoyizhang at malacology dot net>
 
 _pkgname=isobar
-_pkgver=1.50.0
+_pkgver=1.52.0
 pkgname=r-${_pkgname,,}
-pkgver=1.50.0
+pkgver=1.52.0
 pkgrel=1
 pkgdesc='Analysis and quantitation of isobarically tagged MSMS proteomics data'
 arch=('any')
@@ -32,7 +32,7 @@ optdepends=(
   r-xml
 )
 source=("https://bioconductor.org/packages/release/bioc/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
-sha256sums=('030e140d592e3ad533e880b46d2e894e578de9c326a9b090dcb192c957e1116f')
+sha256sums=('188213860406a14890bb414037e30c2d89e94eb931170832fd041c1ad9198863')
 
 build() {
   R CMD INSTALL ${_pkgname}_${_pkgver}.tar.gz -l "${srcdir}"