diff --git a/Gemfile b/Gemfile
index 730d4be..9adc822 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem 'simpleidn', '0.2.1' # For Punycode
 gem 'uglifier'
 
 group :development do
-  gem 'listen', '>= 3.0.5', '< 3.9'
+  gem 'listen', '>= 3.0.5', '< 3.10'
 end
 
 group :development, :test do