diff --git a/Gemfile b/Gemfile
index 7b2143c6d..92e6e3933 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,7 +18,7 @@ group :lint, :development do
 end
 
 group :test, :development do
-  gem 'coveralls', require: false
+  gem 'coveralls_reborn', require: false
   gem 'em-http-request', '>= 1.1', require: 'em-http'
   gem 'em-synchrony', '>= 1.0.3', require: %w[em-synchrony em-synchrony/em-http]
   gem 'excon', '>= 0.27.4'