       start_time: new Date(@state.start_time).toISOString()
       end_time: new Date(@state.end_time).toISOString()
       max_team_size: @state.max_team_size
+      username_blacklist: @state.username_blacklist
     }
     apiCall "PATCH", "/api/v1/settings", data
     .success ((data) ->

    @setState update @state,
      $set:
        max_team_size: parseInt(e.target.value)

  pushUpdates: ->
    data = {

      competition_url: ""
      enable_feedback: true
      max_team_size: 1
      username_blacklist: []
      email:
        email_verification: false
        parent_verification_email: false
