https://www.apkmirror.com/apk/google-inc/google-play-services/google-play-services-20-26-13-release/google-play-services-20-26-13-040300-319035724-android-apk-download/
Just downloaded the Google Play services 20.26.13 (040300-319035724) beta (040300) APK from @APKMirror