diff --git a/.gitignore b/.gitignore
index 18b852b..a5186a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ Hoshruba.*
 Hoshruba_*
 html/
 cover.pdf
+vendor/
\ No newline at end of file
diff --git a/COPYING b/COPYING
index 56fce5e..263f6ba 100644
--- a/COPYING
+++ b/COPYING
@@ -1,7 +1,7 @@
             DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                     Version 2, December 2004
 
- Copyright (C) 2015 Abhay Rana <me@captnemo.in>
+ Copyright (C) 2021 Abhay Rana <me@captnemo.in>
 
  Everyone is permitted to copy and distribute verbatim or modified
  copies of this license document, and changing it is allowed as long
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..1473fe0
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
+
+# gem "rails"
+
+gem "nokogiri", "~> 1.11"
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..20f9f41
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,17 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    mini_portile2 (2.5.1)
+    nokogiri (1.11.3)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    racc (1.5.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  nokogiri (~> 1.11)
+
+BUNDLED WITH
+   2.2.17
diff --git a/README.md b/README.md
index 093e00b..f3d9906 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,7 @@
 # hoshruba
 
-
 ![](cover.jpg)
 
-
 Tor.com recently published the entire first book in the Hoshruba series as a [series
 of blog posts](http://www.tor.com/features/series/hoshruba-series/). This script
 downloads all of these posts and converts them into a publishable format, including
@@ -31,7 +29,8 @@ You can also skip calibre if you only want the EPUB file.
 
 After downloading the repo and installing the requirements, just run
 
-    ruby setup.rb
+    bundle install
+    bundle exec ruby setup.rb
 
 All the generated files will be saved with the filename `Hoshruba.{epub|pdf|mobi|html}`