diff --git a/Gemfile b/Gemfile
index 7bd1f03..545f222 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ group :development do
 end
 
 group :audit do
-  gem 'bundler', '~> 2.0'
+  gem 'bundler', '~> 4.0'
   gem 'bundler-audit', '~> 0.9.0'
 end