diff --git a/Gemfile b/Gemfile
index c6ed17aae..9b4d7a0bf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -109,6 +109,8 @@ gem 'prawn_rails', '~> 0.0.11'
 gem 'chunky_png'
 gem 'sentry-raven'
 
+gem 'rack-mini-profiler'
+
 group :test do
   gem 'capybara'
   gem 'launchy'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1f6a4eee2..fca30b5c4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -448,6 +448,8 @@ GEM
     rack (2.0.1)
     rack-handlers (0.7.3)
       rack
+    rack-mini-profiler (0.10.5)
+      rack (>= 1.2.0)
     rack-oauth2 (1.4.0)
       activesupport (>= 2.3)
       attr_required (>= 0.0.5)
@@ -725,6 +727,7 @@ DEPENDENCIES
   prawn_rails (~> 0.0.11)
   pry-byebug
   rack-handlers
+  rack-mini-profiler
   rails (= 5.0.0.1)
   rails-controller-testing
   redis