Gemfile.5.2.pg in rails_state_machine-2.2.0 vs Gemfile.5.2.pg in rails_state_machine-3.0.0

@@ -5,11 +5,11 @@
 gem 'pg'
 
 # Development dependencies
 gem 'rspec', '~>3.5'
 gem 'rake'
-gem 'pry-byebug'
-gem 'gemika'
+gem 'pry'
+gem 'gemika', '>= 0.8.1'
 gem 'database_cleaner'
 
 # Gem under test
 gem 'rails_state_machine', :path => '.'