diff --git a/Gemfile b/Gemfile
index 1f90355..5cc9c4e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,3 +6,5 @@ gem "github-pages", "~> 231", group: :jekyll_plugins
 source "https://rubygems.org"
 gem 'wdm', '>= 0.1.0' if Gem.win_platform?
 # gem "rails"
+
+gem "webrick", "~> 1.8"