diff --git a/Gemfile b/Gemfile
index 9210d0f..389b639 100644
--- a/Gemfile
+++ b/Gemfile
@@ -25,7 +25,7 @@ group :development do
   gem 'capistrano-rvm', require: false
   gem 'capistrano-rails', require: false
   gem 'capistrano-bundler', require: false
-  gem 'capistrano3-puma', require: false
+  gem 'capistrano3-puma', '>= 6.0.0', require: false
 end
 
 # Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin AJAX possible