diff --git a/Gemfile b/Gemfile
index ffa7f98..43edf43 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,4 +5,6 @@ source 'http://rubygems.org/'
 group :development do
   gem 'byebug'
   gem 'rubocop'
+  gem 'rubocop-daemon'
+  gem 'solargraph', '~> 0.39.17'
 end