Appraisals in closure_tree-7.2.0 vs Appraisals in closure_tree-7.3.0

@@ -72,9 +72,24 @@
     gem 'activerecord-jdbcpostgresql-adapter'
     gem 'activerecord-jdbcsqlite3-adapter'
   end
 end
 
+appraise 'activerecord-6.1' do
+  gem 'activerecord', '~> 6.1.0'
+  platforms :ruby do
+    gem 'mysql2'
+    gem 'pg'
+    gem 'sqlite3'
+  end
+
+  platforms :jruby do
+    gem 'activerecord-jdbcmysql-adapter'
+    gem 'activerecord-jdbcpostgresql-adapter'
+    gem 'activerecord-jdbcsqlite3-adapter'
+  end
+end
+
 appraise 'activerecord-edge' do
   gem 'activerecord', github: 'rails/rails'
   platforms :ruby do
     gem 'mysql2'
     gem 'pg'