Appraisals in activeforce-3.0.0 vs Appraisals in activeforce-3.1.0

@@ -11,5 +11,9 @@
 end
 
 appraise "5.0" do
   gem "rails", "~> 5.0.0"
 end
+
+appraise "5.2" do
+  gem "rails", "~> 5.2.0"
+end