https://www.apkmirror.com/apk/facebook-2/work/work-379-0-0-24-109-release/workplace-from-meta-379-0-0-24-109-8-android-apk-download/
Just downloaded the Workplace from Meta 379.0.0.24.109 (arm-v7a) (360-480dpi) (Android 6.0+) APK from @APKMirror