diff --git a/Gemfile b/Gemfile
index 93b6485..77d615f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ group :development, :test do
 end
 
 group :development do
-  gem 'debug', '~> 1.9.0', require: false
+  gem 'debug', '~> 1.9.1', require: false
   gem 'rubocop', '~> 1.59.0', require: false
   gem 'rubocop-rake', '~> 0.6.0', require: false
 end