diff --git a/lib/active_file/railtie.rb b/lib/active_file/railtie.rb
index ccba844742a6ab84b3066922294f38a584570f4b..e1b34f56cf9755d2b8e8b92332790e3cfbe32a5f 100644
--- a/lib/active_file/railtie.rb
+++ b/lib/active_file/railtie.rb
@@ -1,4 +1,4 @@
-require 'rails/railtie'
+require "rails/railtie"
 
 module ActiveFile
   class Engine < ::Rails::Engine
diff --git a/test/blob_test.rb b/test/blob_test.rb
index 3ebde08b904d3465bb247cdd73388a0e9c181e9c..9f7c14533e24a3f15a86f73086506595b74eb6fb 100644
--- a/test/blob_test.rb
+++ b/test/blob_test.rb
@@ -1,4 +1,4 @@
-require 'test_helper'
+require "test_helper"
 
 class ActiveFile::BlobTest < ActiveSupport::TestCase
   test "truth" do
diff --git a/test/test_helper.rb b/test/test_helper.rb
index c05ba0c70c9f49f53feb6ec2cb0d2b92c22d4cee..0964774e003cbc6a1c5e393bcb6c09c9b10d2f59 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,4 +1,6 @@
-require 'bundler/setup'
-require 'active_support'
-require 'active_support/testing/autorun'
-require 'byebug'
+require "bundler/setup"
+require "active_support"
+require "active_support/testing/autorun"
+require "byebug"
+
+require "active_file"