diff --git a/Gemfile b/Gemfile
index 180cfa2..184a0f4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,3 +4,4 @@ gem 'middleman', '~> 4.2'
 gem 'middleman-autoprefixer', '~> 2.7'
 gem 'tzinfo-data', platforms: [:mswin, :mingw, :jruby]
 gem 'wdm', '~> 0.1', platforms: [:mswin, :mingw]
+gem 'rake'