diff --git a/Gemfile b/Gemfile
index b46ba6dfeedfa54ba2cace3da56c705ff0bfcdd0..cb7cc8356ab2e8c466fb4a77ce7467ddec7516a3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -33,7 +33,9 @@ end
 
 group(:test) do
 	gem "minitest"
+	gem "rake"
 	gem "rantly"
+	gem "rubocop"
 	gem "simplecov", require: false
 	gem "webmock"
 end