Google play store only will install Beta 1.13.0.6 insted of the newest 1.13.0.9

I have been trying to install the lates beta in my Galaxy S8 and when i install the beta it will install the previews beta 1.13.0.6 in stead of the Current 1.13.0.9. I have been cheaking thes days to update yet still it will install 1.13.0.6 and not the Current.