diff --git a/Gemfile b/Gemfile
index 227cfa72..4c544ad6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,10 +9,13 @@ end
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.1.0'
 # Use mysql as the database for Active Record
+
+#gem 'mysql2', '>= 0.3.18', '< 0.5'
+gem 'pg'
 gem 'mysql2', '>= 0.3.18', '< 0.5'
 
 #Use PosgreSQL
-gem 'pg'
+
 
 # redis server for cable
 # gem 'redis', '~> 3.0'