diff --git a/mingw-w64-petsc/PKGBUILD b/mingw-w64-petsc/PKGBUILD
index 3b90ae2927a85..3e82cd868a2d4 100644
--- a/mingw-w64-petsc/PKGBUILD
+++ b/mingw-w64-petsc/PKGBUILD
@@ -32,8 +32,8 @@
 _realname=petsc
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}" "${MINGW_PACKAGE_PREFIX}-${_realname}-build")
-pkgver=3.19.0
-pkgrel=2
+pkgver=3.20.1
+pkgrel=1
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 pkgdesc='Sparse iterative (non)linear solver package (mingw-w64)'
@@ -53,7 +53,7 @@ makedepends=('python'
 optdepends=("${MINGW_PACKAGE_PREFIX}-tcl: build & run test suite")
 license=('spdx:BSD-2-Clause')
 url="https://www.mcs.anl.gov/petsc/"
-source=("https://ftp.mcs.anl.gov/pub/petsc/release-snapshots/${_realname}-lite-${pkgver}.tar.gz"
+source=("https://web.cels.anl.gov/projects/petsc/download/release-snapshots/${_realname}-lite-${pkgver}.tar.gz"
         'all.tcl'
         'tclbuildtest.tcl'
         'petsc.test'
@@ -62,7 +62,7 @@ source=("https://ftp.mcs.anl.gov/pub/petsc/release-snapshots/${_realname}-lite-$
         '0002-openblas-clang.patch'
         '0003-pid.patch')
 noextract=("${_realname}-lite-${pkgver}.tar.gz")
-sha256sums=('8ced753e4d2fb6565662b2b1fbba75a426cbf8438203f82717ce270f0591322c'
+sha256sums=('3d54f13000c9c8ceb13ca4f24f93d838319019d29e6de5244551a3ec22704f32'
             'ec5072630e1c0309fe383669e9187790cd135a393c67bc4bc35cf60b0ba396ff'
             '15c7af25b91406d5fe5f26cfe00963b6cfde1c3dd466eb25f1b6fae299934966'
             '9662cc4104726c714f7961aba6f8c93bfb85f3d3f89b4908b0a55aedab41ca31'