diff --git a/Gemfile b/Gemfile
index af805c7..110e25a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gemspec
 gem 'appraisal'
 
 gem 'fastimage'
-gem 'sqlite3'
+gem 'pg', '~> 1.1.4'
 
 gem 'aws-sdk-s3'
 gem 'fog-local'
diff --git a/gemfiles/rails_52.gemfile b/gemfiles/rails_52.gemfile
index 9b37f83..ea83d3e 100644
--- a/gemfiles/rails_52.gemfile
+++ b/gemfiles/rails_52.gemfile
@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 gem "appraisal"
 gem "fastimage"
-gem "sqlite3"
+gem "pg", "~> 1.1.4"
 gem "aws-sdk-s3"
 gem "fog-local"
 gem "delayed_paperclip", git: "https://github.com/insales/delayed_paperclip.git"
diff --git a/test/database.yml b/test/database.yml
index c12ad28..8726a99 100644
--- a/test/database.yml
+++ b/test/database.yml
@@ -1,4 +1,7 @@
 test:
-  adapter: sqlite3
-  database: ":memory:"
-
+  adapter: postgresql
+  host: 127.0.0.1
+  database: paperclip_test
+  encoding: utf8
+  username: postgres
+  port: 5432
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 9c3301d..a4e0ca0 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -7,7 +7,7 @@ require 'mocha/test_unit'
 require 'pry'
 require 'pry-byebug'
 require 'tempfile'
-require 'sqlite3'
+require 'pg'
 
 require 'active_record'
 require 'active_support'