diff --git a/BioArchLinux/r-optimalflow/PKGBUILD b/BioArchLinux/r-optimalflow/PKGBUILD
index 06516d9232..cfd22b5e56 100644
--- a/BioArchLinux/r-optimalflow/PKGBUILD
+++ b/BioArchLinux/r-optimalflow/PKGBUILD
@@ -1,9 +1,9 @@
 # Maintainer: Guoyi Zhang <guoyizhang at malacology dot net>
 
 _pkgname=optimalFlow
-_pkgver=1.16.0
+_pkgver=1.18.0
 pkgname=r-${_pkgname,,}
-pkgver=1.16.0
+pkgver=1.18.0
 pkgrel=1
 pkgdesc='optimalFlow'
 arch=('any')
@@ -32,7 +32,7 @@ optdepends=(
   r-rmarkdown
 )
 source=("https://bioconductor.org/packages/release/bioc/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
-sha256sums=('f6d9cb853a1f3db36d2c5f950fbceee6de72d3f98f7d0ec53867b9a0583feaac')
+sha256sums=('51530ee93c68020b6e284f046038b3d92ef84bd96fe0a54e3cdb4c9cfdd03c1f')
 
 build() {
   R CMD INSTALL ${_pkgname}_${_pkgver}.tar.gz -l "${srcdir}"