appraise "activerecord-5.1" do gem "activerecord", "~>5.1.0" end appraise "activerecord-5.2" do gem "activerecord", "~>5.2.0" end appraise "activerecord-6.0" do gem "activerecord", "~>6.0.0" end appraise "activerecord-6.1" do gem "activerecord", "~>6.1.0" end