diff --git a/Gemfile b/Gemfile
index 70564a2869..c2aa9980af 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,6 +5,7 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in faker.gemspec
 gemspec
 
+gem 'benchmark'
 gem 'minitest', '5.20.0'
 gem 'pry', '0.14.2'
 gem 'rake', '13.1.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5f674054e4..0e8ad5a04d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,6 +8,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
+    benchmark (0.3.0)
     coderay (1.1.3)
     concurrent-ruby (1.2.2)
     docile (1.4.0)
@@ -64,6 +65,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  benchmark
   faker!
   minitest (= 5.20.0)
   pry (= 0.14.2)