diff --git a/Gemfile b/Gemfile
index c8a77b8..b53ee71 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,4 +3,5 @@ source 'https://rubygems.org'
 gem "bundler"
 gem "jekyll", ">= 3.8.4"
 gem "jekyll-feed"
+gem "jekyll-theme-midnight"