Gemfile in dynflow-0.8.21 vs Gemfile in dynflow-0.8.22

@@ -6,10 +6,11 @@
   gem 'concurrent-ruby-ext', '= 1.0.3'
 end
 
 group :pry do
   gem 'pry'
+  gem 'pry-byebug'
 end
 
 group :postgresql do
   if RUBY_VERSION <= '2'
     gem 'pg', '< 0.19'
@@ -26,6 +27,10 @@
   gem 'activesupport', '~> 4.2'
 end
 
 group :lint do
   gem 'rubocop', '0.39.0'
+end
+
+group :memory_watcher do
+  gem 'get_process_mem'
 end