diff --git a/Gemfile b/Gemfile
index 7d1049b..07dd157 100644
--- a/Gemfile
+++ b/Gemfile
@@ -22,6 +22,6 @@ group :test do
 end
 
 gem 'prometheus-client', '~> 1.0'
-# gem 'prometheus_gcstat', git: 'git@github.com:gocardless/prometheus_gcstat_ruby'
+gem 'prometheus_gcstat', '~> 0.1.1'
 
 gemspec