diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..09a35bb
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,5 @@
+source('https://rubygems.org')
+
+group(:development) do
+  gem('nokogiri')
+end
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..0926c5b
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,15 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    mini_portile2 (2.3.0)
+    nokogiri (1.8.4)
+      mini_portile2 (~> 2.3.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  nokogiri
+
+BUNDLED WITH
+   1.16.2
diff --git a/examples/nokogiri.rb b/examples/nokogiri.rb
new file mode 100644
index 0000000..5e42352
--- /dev/null
+++ b/examples/nokogiri.rb
@@ -0,0 +1,5 @@
+require 'nokogiri'
+
+def fuzz(bytes)
+  html_doc = Nokogiri::HTML(bytes)
+end