diff --git a/Gemfile b/Gemfile
index ac3052b5..3d079c20 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem 'rails', '~> 5.1.0'
 gem 'mysql2', '>= 0.3.18', '< 0.5'
 
 #Use PosgreSQL
-gem 'pg'
+# gem 'pg'
 
 # redis server for cable
 # gem 'redis', '~> 3.0'