Trying to upgrade xrdp, I get
Error: Package: 1:xrdp-selinux-0.9.10-1.el7.x86_64 (epel)
Requires: selinux-policy >= 3.13.1-229.el7_6.12
Installed: selinux-policy-3.13.1-229.el7_6.6.noarch (@sl-security)
selinux-policy = 3.13.1-229.el7_6.6
Available: selinux-policy-3.13.1-229.el7.noarch (sl)
selinux-policy = 3.13.1-229.el7
Available: selinux-policy-3.13.1-229.el7_6.5.noarch (sl-security)
selinux-policy = 3.13.1-229.el7_6.5
I see that the Centos repository has
selinux-policy-3.13.1-229.el7_6.12.noarch.rpm.