diff --git a/Gemfile b/Gemfile
index 085b94020..489f19915 100644
--- a/Gemfile
+++ b/Gemfile
@@ -103,6 +103,6 @@ end
 
 gem 'contracts', '< 0.16' if RUBY_VERSION < '1.9.0'
 
-gem 'drb' if RUBY_VERSION >= '3.4'
+gem 'drb' if RUBY_VERSION >= '3.3'
 
 eval File.read('Gemfile-custom') if File.exist?('Gemfile-custom')