diff --git a/Gemfile b/Gemfile
index 4391b6d87d..2a6a3b8448 100644
--- a/Gemfile
+++ b/Gemfile
@@ -178,6 +178,7 @@ group :development do
   gem 'foreman'
   gem 'listen'
   gem 'pry', '~> 0.13.0'
+  gem 'query_count'
   gem 'rails-erd'
   gem 'rubocop'
   gem 'rubocop-rails'
diff --git a/Gemfile.lock b/Gemfile.lock
index b75cc34f48..cf7b703f0a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -487,6 +487,9 @@ GEM
     public_suffix (5.0.1)
     puma (6.2.2)
       nio4r (~> 2.0)
+    query_count (1.1.1)
+      activerecord (>= 4.2)
+      railties (>= 4.2)
     raabro (1.4.0)
     racc (1.6.2)
     rack (2.2.7)
@@ -857,6 +860,7 @@ DEPENDENCIES
   private_address_check
   pry (~> 0.13.0)
   puma
+  query_count
   rack-mini-profiler (< 3.0.0)
   rack-rewrite
   rack-timeout