Gemfile in snakes-0.1.1 vs Gemfile in snakes-0.1.2

@@ -4,8 +4,11 @@
 
 # Specify your gem's dependencies in snakes.gemspec
 gemspec
 
 gem "curses", "~> 1.4.4"
-gem "rake", "~> 13.0"
-gem "minitest", "~> 5.0"
-gem "rubocop", "~> 1.21"
+
+group :development do
+  gem "rake", "~> 13.0"
+  gem "minitest", "~> 5.0"
+  gem "rubocop", "~> 1.21"
+end
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