Appraisals in breadcrumbs_on_rails-3.0.1 vs Appraisals in breadcrumbs_on_rails-4.0.0

@@ -1,12 +1,12 @@
-appraise "4.0" do
-  gem "rails", "~> 4.0.0"
+appraise "5.0" do
+  gem "rails", "~> 5.0.0"
 end
-appraise "4.1" do
-  gem "rails", "~> 4.1.0"
+appraise "5.1" do
+  gem "rails", "~> 5.1.0"
 end
-appraise "4.2" do
-  gem "rails", "~> 4.2.0"
+appraise "5.2" do
+  gem "rails", "~> 5.2.0"
 end
-appraise "5.0" do
-  gem "rails", "~> 5.0.0"
+appraise "6.0" do
+  gem "rails", "~> 6.0.0"
 end