Gemfile in random-port-0.5.1 vs Gemfile in random-port-0.6.0

@@ -20,5 +20,13 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
 source 'https://rubygems.org'
 gemspec
+
+gem 'minitest', '5.18.0', require: false
+gem 'rake', '13.0.6', require: false
+gem 'rdoc', '6.5.0', require: false
+gem 'rubocop', '1.51.0', require: false
+gem 'rubocop-rspec', '2.22.0', require: false
+gem 'simplecov', '0.22.0', require: false
+gem 'threads', '0.3.0', require: false