Appraisals in ebisu_connection-2.4.2 vs Appraisals in ebisu_connection-3.0.0

@@ -1,20 +1,20 @@
-appraise "rails42" do
-  gem "activerecord", "~> 4.2.0"
-  gem 'activesupport', '~> 4.2.0'
-  gem 'mysql2', '>= 0.3.13', '< 0.5'
-  gem 'pg', '~> 0.15'
-end
-
 appraise "rails50" do
   gem "activerecord", "~> 5.0.0"
   gem 'activesupport', '~> 5.0.0'
-  gem 'mysql2', '>= 0.3.18', '< 0.5'
-  gem 'pg', '~> 0.18'
+  gem 'mysql2', '>= 0.3.18', '< 0.6.0'
+  gem 'pg', '>= 0.18', '< 2.0'
 end
 
 appraise "rails51" do
   gem 'activerecord', '~> 5.1.0'
   gem 'activesupport', '~> 5.1.0'
-  gem 'mysql2', '>= 0.3.18', '< 0.5'
-  gem 'pg', '~> 0.18'
+  gem 'mysql2', '>= 0.3.18', '< 0.6.0'
+  gem 'pg', '>= 0.18', '< 2.0'
+end
+
+appraise "rails52" do
+  gem 'activerecord', '~> 5.2.0'
+  gem 'activesupport', '~> 5.2.0'
+  gem 'mysql2', '>= 0.4.4', '< 0.6.0'
+  gem 'pg', '>= 0.18', '< 2.0'
 end