diff --git a/.github/workflows/multibuild.yml b/.github/workflows/multibuild.yml
index ac69cd8..82ed72e 100644
--- a/.github/workflows/multibuild.yml
+++ b/.github/workflows/multibuild.yml
@@ -19,7 +19,7 @@ jobs:
         platform: [x64]
         PLAT: [i686, x86_64]
         INTERFACE64: ['', '1']
-        MB_ML_VER: ['', 2010, 2014]
+        MB_ML_VER: ['', 2010, 2014, '_2_28']
         include:
           - os: macos-latest
             PLAT: arm64
@@ -36,8 +36,12 @@ jobs:
             MB_ML_VER: 2010
           - os: macos-latest
             MB_ML_VER: 2014
+          - os: macos-latest
+            MB_ML_VER: '_2_28'
           - PLAT: i686
             INTERFACE64: '1'
+          - PLAT: i686
+            MB_ML_VER: '_2_28'
     env:
       REPO_DIR: OpenBLAS
       OPENBLAS_COMMIT: "5188aed"
@@ -64,7 +68,11 @@ jobs:
       run: |
         if [ "macos-latest" == "${{ matrix.os }}" ]; then echo "TRAVIS_OS_NAME=osx" >> $GITHUB_ENV; else echo "TRAVIS_OS_NAME=${{ matrix.os }}" >> $GITHUB_ENV; fi
         if [ "macos-latest" == "${{ matrix.os }}" ]; then echo "LDFLAGS=-L/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib" >> $GITHUB_ENV; fi
-        echo "DOCKER_TEST_IMAGE=$(echo multibuild/xenial_${{ matrix.PLAT}})" >> $GITHUB_ENV;
+        if [ "_2_28" == "${{ matrix.MB_ML_VER }}" ]; then
+          echo "DOCKER_TEST_IMAGE=$(echo multibuild/focal_${{ matrix.PLAT}})" >> $GITHUB_ENV;
+        else
+          echo "DOCKER_TEST_IMAGE=$(echo multibuild/xenial_${{ matrix.PLAT}})" >> $GITHUB_ENV;
+        fi
     - name: Print some Environment variable
       run: |
         echo "TRAVIS_OS_NAME: ${TRAVIS_OS_NAME}"
diff --git a/.travis.yml b/.travis.yml
index 6baff47..800e261 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -62,6 +62,32 @@ matrix:
         - INTERFACE64=1
         - MB_ML_VER=2014
         - DOCKER_TEST_IMAGE=multibuild/xenial_{PLAT}
+    - os: linux
+      arch: arm64
+      env:
+        - PLAT=aarch64
+        - MB_ML_VER=_2_28
+        - DOCKER_TEST_IMAGE=multibuild/focal_{PLAT}
+    - os: linux
+      arch: arm64
+      env:
+        - PLAT=aarch64
+        - INTERFACE64=1
+        - MB_ML_VER=_2_28
+        - DOCKER_TEST_IMAGE=multibuild/focal_{PLAT}
+    - os: linux
+      arch: ppc64le
+      env:
+        - PLAT=ppc64le
+        - MB_ML_VER=_2_28
+        - DOCKER_TEST_IMAGE=multibuild/focal_{PLAT}
+    - os: linux
+      arch: ppc64le
+      env:
+        - PLAT=ppc64le
+        - INTERFACE64=1
+        - MB_ML_VER=_2_28
+        - DOCKER_TEST_IMAGE=multibuild/focal_{PLAT}
 
 before_install:
     - source travis-ci/build_steps.sh
diff --git a/travis-ci/build_steps.sh b/travis-ci/build_steps.sh
index 761370a..2e01086 100644
--- a/travis-ci/build_steps.sh
+++ b/travis-ci/build_steps.sh
@@ -49,6 +49,9 @@ function build_lib {
     fi
     # Manylinux wrapper
     local docker_image=quay.io/pypa/manylinux${manylinux}_${plat}
+    if [ "${manylinux}" == "_2_28" ]; then
+      docker_image=quay.io/pypa/manylinux${manylinux}_poc_${plat}:poc
+    fi
     docker pull $docker_image
     # Docker sources this script, and runs `do_build_lib`
     docker run --rm \