diff --git a/Gemfile b/Gemfile
index 1a5bb21..070a3d9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,6 +10,7 @@ group :development do
   gem "colorize", "~> 1.1.0"
   gem "debug", "~> 1.8"
   gem "rake", "~> 13.2.1"
+  gem "ruby-lsp", "~> 0.17.2"
   gem "semver2", "~> 3.4"
   gem "solargraph", "~> 0.50.0"
 end