diff --git a/Gemfile b/Gemfile
index 37f5eaa..c8a77b8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,6 @@
 source 'https://rubygems.org'
-gem 'github-pages', group: :jekyll_plugins
+
+gem "bundler"
+gem "jekyll", ">= 3.8.4"
+gem "jekyll-feed"
+