diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5c4c2e4b..774ba252 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ on:
     branches: [ master ]
 
 env:
-  OPENBLAS_COMMIT: "5188aed"
+  OPENBLAS_COMMIT: "v0.3.20"
   OPENBLAS_ROOT: "c:\\opt"
 
 jobs:
diff --git a/.github/workflows/multibuild.yml b/.github/workflows/multibuild.yml
index 930bdc73..bda89c37 100644
--- a/.github/workflows/multibuild.yml
+++ b/.github/workflows/multibuild.yml
@@ -52,7 +52,7 @@ jobs:
             INTERFACE64: '1'
     env:
       REPO_DIR: OpenBLAS
-      OPENBLAS_COMMIT: "5188aed"
+      OPENBLAS_COMMIT: "v0.3.20"
       MACOSX_DEPLOYMENT_TARGET: 10.9
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       TRAVIS_PYTHON_VERSION: ${{ matrix.python-version }}
diff --git a/.travis.yml b/.travis.yml
index 62128da0..b55aa018 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ env:
     global:
         # The archive that gets built has name from ``git describe`` on this
         # commit.
-        - OPENBLAS_COMMIT="5188aed"
+        - OPENBLAS_COMMIT="v0.3.20"
         - REPO_DIR=OpenBLAS
         # Following generated with:
         # travis encrypt -r MacPython/openblas-libs OPENBLAS_LIBS_STAGING_UPLOAD_TOKEN=<secret token value>
diff --git a/README.md b/README.md
index 0654e05e..14598f00 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Building OpenBLAS
 
-This is a repository to trigger builds of OpenBLAS on Travis-CI and Appveyor.
+This is a repository to trigger builds of OpenBLAS on Travis-CI (for aarch64,
+ppc64, s390x) and github actions for all the others.
 
 The OpenBLAS libraries get uploaded to
 https://anaconda.org/multibuild-wheels-staging/openblas-libs/files
diff --git a/_appveyor.yml b/_appveyor.yml
deleted file mode 100644
index 6aa2c84f..00000000
--- a/_appveyor.yml
+++ /dev/null
@@ -1,72 +0,0 @@
-# vim ft=yaml
-
-os: Visual Studio 2015
-
-environment:
-  global:
-    OPENBLAS_COMMIT: 349b722d8d09303
-    OPENBLAS_ROOT: c:\opt
-    MSYS2_ROOT: c:\msys64
-    # The value of the existing token can be retrieved at the bottom of the page at:
-    #   https://anaconda.org/multibuild-wheels-staging/settings/access:
-    # To generate a new token, we need the permissions:
-    # - "Allow write access to the API site"
-    # - "Allow uploads to PyPI repositories"
-    # OPENBLAS_LIBS_STAGING_UPLOAD_TOKEN: this variable has been encrypted
-    # in the appveyor UI at: https://ci.appveyor.com/project/tylerjereddy/openblas-libs/settings/environment
-    PYTHON: "C:\\Python37"
-
-  # Need for mingw-builds discussed at
-  # https://github.com/xianyi/OpenBLAS/issues/1503
-  # Downloads via https://sourceforge.net/projects/mingw-w64/files
-  # Note spaces instead of %20 in URL, to avoid Windows env var expansion
-  matrix:
-    - BUILD_BITS: 64
-      INTERFACE64: 1
-      MINGW_URL: "https://sourceforge.net/projects/mingw-w64/files/Toolchains targetting Win64/Personal Builds/mingw-builds/7.1.0/threads-posix/seh/x86_64-7.1.0-release-posix-seh-rt_v5-rev0.7z/download"
-
-    - BUILD_BITS: 32
-      MINGW_URL: "https://sourceforge.net/projects/mingw-w64/files/Toolchains targetting Win32/Personal Builds/mingw-builds/7.1.0/threads-posix/dwarf/i686-7.1.0-release-posix-dwarf-rt_v5-rev0.7z/download"
-
-    - BUILD_BITS: 64
-      MINGW_URL: "https://sourceforge.net/projects/mingw-w64/files/Toolchains targetting Win64/Personal Builds/mingw-builds/7.1.0/threads-posix/seh/x86_64-7.1.0-release-posix-seh-rt_v5-rev0.7z/download"
-
-build_script:
-  # Build OpenBLAS, build and install the test file
-  - if "%BUILD_BITS%"=="32" (set PLAT=i686) else (set PLAT=x86_64)
-  - set VC9_ROOT=C:\Users\appveyor\AppData\Local\Programs\Common\Microsoft\Visual C++ for Python\9.0\VC
-  - PATH=%MSYS2_ROOT%\usr\bin;%PATH%
-  # Get mingw-builds compiler chain, put on path
-  # Quote for env var to protect spaces.
-  - curl -L "%MINGW_URL%" -o downloads\mingw_distro.7z
-  - 7z x downloads\mingw_distro.7z
-  - PATH=%__CD__%\mingw%BUILD_BITS%\bin;%PATH%
-  # Remove competing gcc / gfortran
-  - pacman -Rs --noconfirm gcc gcc-fortran mingw-w64-%PLAT%-toolchain
-  # zip needed for packing archive
-  - pacman -Sy --noconfirm zip
-  - git submodule update --init --recursive
-  - set MSYSTEM=MINGW%BUILD_BITS%
-  - set START_DIR=%__CD__%
-  - set SCRIPT_DIR=%START_DIR%tools\
-  # Need --login to process MSYSTEM variable
-  - bash --login %SCRIPT_DIR%build_openblas.sh
-
-test_script:
-  - bash --login %SCRIPT_DIR%build_gfortran.sh
-  - copy test.exe builds
-  - copy test_dyn.exe builds
-  - bash --login -c "$(cygpath $START_DIR)test.exe"
-  - copy %OPENBLAS_ROOT%\%BUILD_BITS%\bin\*.dll .
-  - bash --login -c "$(cygpath $START_DIR)test_dyn.exe"
-
-on_finish:
-  - ps: Get-ChildItem builds\*.* | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
-
-on_success:
-  # Upload libraries to the shared staging area on anaconda.org
-  # Note that the anaconda-client package on PyPI is too old. Install from github
-  # tag instead:
-  - set PATH=%PYTHON%;%PYTHON%\Scripts;%PATH%
-  - pip install -q git+https://github.com/Anaconda-Platform/anaconda-client@1.7.2
-  - bash --login %SCRIPT_DIR%upload_to_anaconda_staging.sh
diff --git a/tools/prepare_local.bat b/tools/prepare_local.bat
deleted file mode 100644
index f54caeba..00000000
--- a/tools/prepare_local.bat
+++ /dev/null
@@ -1,9 +0,0 @@
-REM Run example build locally
-REM For debugging.
-REM Careful, this might be out of date.  Check against appveyor.yml
-set OPENBLAS_COMMIT=5f998ef
-set OPENBLAS_ROOT=c:\opt
-set MSYS2_ROOT=C:\msys64
-set BUILD_BITS=32
-set VC9_ROOT=C:\Users\appveyor\AppData\Local\Programs\Common\Microsoft\Visual C++ for Python\9.0\VC
-git submodule update --init --recursive
diff --git a/travis-ci/build_steps.sh b/travis-ci/build_steps.sh
index 161efe52..aa34e65f 100644
--- a/travis-ci/build_steps.sh
+++ b/travis-ci/build_steps.sh
@@ -160,6 +160,7 @@ function do_build_lib {
     mkdir -p libs
     start_spinner
     set -x
+    git config --global --add safe.directory '*'
     (cd OpenBLAS \
     && patch_source \
     && make BUFFERSIZE=20 DYNAMIC_ARCH=1 USE_OPENMP=0 NUM_THREADS=64 BINARY=$bitness $interface64_flags $target_flags > /dev/null \
@@ -183,7 +184,7 @@ function do_build_lib {
         $BUILD_PREFIX/include/*blas* \
         $BUILD_PREFIX/include/*lapack* \
         $BUILD_PREFIX/lib/libopenblas* \
-        $BUILD_PREFIX/lib/pkgconfig* \
+        $BUILD_PREFIX/lib/pkgconfig/openblas* \
         $BUILD_PREFIX/lib/cmake/openblas
 }