1 files changed, 2 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index 8ace5e22be..1bc5c79675 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,6 +18,8 @@ group(:maintenance) do
 end
 
 group(:development, :test) do
+  # for profiling
+  gem "ruby-prof"
 
   gem "simplecov"
   gem 'rack', "~> 1.5.1"