diff --git a/.gitignore b/.gitignore
index 9dde67bb..c29faad2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,3 +41,7 @@ config/deploy/config/*
 
 # Ignore Byebug command history file.
 .byebug_history
+
+# Gem files
+Gemfile
+Gemfile.lock
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 23f3c908..bcdb0ab0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,6 +15,9 @@ gem 'mysql2', '>= 0.3.18', '< 0.5'
 # redis server for cable
 gem 'redis', '~> 3.0'
 
+#gem pg for
+gem 'pg'
+
 # Use Puma as the app server
 gem 'puma', '~> 3.0'
 # Use SCSS for stylesheets
diff --git a/Gemfile.lock b/Gemfile.lock
index 46cdc6ea..1942950c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -101,6 +101,7 @@ GEM
     nokogiri (1.7.2)
       mini_portile2 (~> 2.1.0)
     pdf-core (0.7.0)
+    pg (0.20.0)
     prawn (2.2.2)
       pdf-core (~> 0.7.0)
       ttfunk (~> 1.5)
@@ -232,7 +233,7 @@ DEPENDENCIES
   jbuilder (~> 2.5)
   jquery-rails
   listen (~> 3.0.5)
-  mysql2 (>= 0.3.18, < 0.5)
+  pg
   prawn
   prawn-table
   puma (~> 3.0)