diff --git a/Gemfile b/Gemfile
index 340ccadde63b..a84989ef24cd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,6 @@
 source 'https://rubygems.org'
 gem "github-pages", "~> 231", group: :jekyll_plugins
+gem "webrick", group: :jekyll_plugins
 # group :jekyll_plugins do
     # gem 'jekyll'
     # gem 'jekyll-archives'