diff --git a/Gemfile b/Gemfile
index e56b341..58a5fa1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,11 +5,9 @@ source "https://rubygems.org"
 gemspec
 
 gem "json", "2.4.1" if RUBY_VERSION == "2.0.0"
+gem "yardstick", "~> 0.9.9"
 
-group :metrics do
-  if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("2.5.0")
-    gem "coveralls_reborn", "~> 0.22.0"
-    gem "simplecov", "~> 0.21.0"
-  end
-  gem "yardstick", "~> 0.9.9"
+if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("2.5.0")
+  gem "coveralls_reborn", "~> 0.22.0"
+  gem "simplecov", "~> 0.21.0"
 end