Gemfile in macaw_framework-0.1.5 vs Gemfile in macaw_framework-0.2.0

@@ -10,5 +10,7 @@
 gem "minitest", "~> 5.0"
 
 gem "rubocop", "~> 1.21"
 
 gem "simplecov", "~> 0.22.0"
+
+gem "prometheus-client", "~> 4.1"