Edit: I see clearly now in the top-level comment you mention self-hosting
Ah, my apologies, didn't realize you were self-hosting GitLab vs using GitLab.com. Yes, this is the case for self-hosted instances it is part of the Premium feature. On GitLab.com is is available for free.
Ah, my apologies, didn't realize you were self-hosting GitLab vs using GitLab.com. Yes, this is the case for self-hosted instances it is part of the Premium feature. On GitLab.com is is available for free.