Gemfile in procon_bypass_man-0.2.1 vs Gemfile in procon_bypass_man-0.2.2

@@ -8,10 +8,13 @@
 gem "rake"
 gem "rspec"
 gem "pry"
 gem "timecop"
 gem "rubocop", require: false
-gem "steep", require: false
-gem 'typeprof', require: false
-gem 'rbs', require: false
 gem "sinatra", require: false
 gem "webrick", require: false
+
+if Gem::Version.new(RUBY_VERSION) > Gem::Version.new("2.6.0")
+  gem 'typeprof', require: false
+  gem 'rbs', require: false
+  gem "steep", require: false
+end