CentOS 8 Stream builds unresolvable

Hi, For some time, CentOS 8 Stream builds are unresolvable because of the following error: unresolvable: nothing provides gcc = 8.5.0-18.el8 needed by gcc-c++, (got version 8.5.0-15.el8), nothing provides libgomp = 8.5.0-15.el8 needed by gcc, (got version 8.5.0-18.el8) Can someone please have a look at it? I doubt that it is a Centos problem and they have broken gcc packages in the distro for weeks... Thanks M.