diff --git a/ruby-statistics.gemspec b/ruby-statistics.gemspec
index 220828d..1e60b0c 100644
--- a/ruby-statistics.gemspec
+++ b/ruby-statistics.gemspec
@@ -32,7 +32,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "rake", '~> 13.0', '>= 12.0.0'
   spec.add_development_dependency "rspec", '~> 3.13', '>= 3.10.0'
-  spec.add_development_dependency 'byebug', '>= 11.1.0', '~> 12.0'
+  spec.add_development_dependency 'byebug', '>= 11.1.0', '~> 13.0'
   spec.add_development_dependency 'pry', '~> 0.14', '>= 0.14.0'
   spec.add_development_dependency 'bigdecimal', '>= 3.2.0', '~> 4.0'
 end