diff --git a/BioArchLinux/r-iwtomics/PKGBUILD b/BioArchLinux/r-iwtomics/PKGBUILD
index 3d1ed0c056..47954ffa02 100644
--- a/BioArchLinux/r-iwtomics/PKGBUILD
+++ b/BioArchLinux/r-iwtomics/PKGBUILD
@@ -1,9 +1,9 @@
 # Maintainer: Guoyi Zhang <guoyizhang at malacology dot net>
 
 _pkgname=IWTomics
-_pkgver=1.18.0
+_pkgver=1.20.0
 pkgname=r-${_pkgname,,}
-pkgver=1.18.0
+pkgver=1.20.0
 pkgrel=1
 pkgdesc='Interval-Wise Testing for Omics Data'
 arch=('any')
@@ -21,7 +21,7 @@ optdepends=(
   r-knitr
 )
 source=("https://bioconductor.org/packages/release/bioc/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
-sha256sums=('21a1186ae8f50cd5b89853fb815c06c1e386f1cf21770df5ffd55085a48035b5')
+sha256sums=('0891fd9bca08040ceb5a713bbda4bd15d1be6f1c62b8488826f762b7bcdf0f7b')
 
 build() {
   R CMD INSTALL ${_pkgname}_${_pkgver}.tar.gz -l "${srcdir}"