Problem upgrading to Grafana 5.1.4

All;
I am currently running Grafana 5.0.0-beta1 on a CentOS 6 server.When I try to install 5.1.4, I get an error message for each file saying that “grafana-5.1.4-1.x86_64 conflicts with file from package grafana-5.0.0-11668beta1.x86_64”. Has anyone seen this before? Any insight at all would be greatly appreciated.
Regards;
Frank