From major versions of 2+, the project name must end with a /vMajor prefix (for majors of 0 and 1 it will stay without the prefix)
github.com/owner/repo , v2.0.5 - false
github.com/owner/repo , v2.0.5+incompatible - false
github.com/owner/repo/v2 , v2.0.5 - true
github.com/owner/repo , v1.0.5 - true
github.com/owner/repo , v0.0.5 - true