diff --git a/Gemfile b/Gemfile
index 7685079..ed6e2b4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,3 +26,5 @@ gem "http_parser.rb", "~> 0.6.0", :platforms => [:jruby]
 if RUBY_PLATFORM =~ /linux-musl/
   gem "jekyll-sass-converter", "~> 2.0"
 end
+
+gem 'jekyll-include-cache'