diff --git a/Gemfile b/Gemfile
index 1512e11..ed1a854 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,6 +4,8 @@ source "https://rubygems.org"
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
+# gem "rails"
+gem "github-pages", "~> 215", group: :jekyll_plugins
 gem "jekyll-theme-chirpy", "~> 6.5", ">= 6.5.5"
 gem 'jekyll-date-localization', group: :jekyll_plugins