diff --git a/Gemfile b/Gemfile
index b792c19..27c1268 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 ruby '2.2.3'
 
-gem 'rails', '4.2.4'
+gem 'rails', '5.2.8.1'
 gem 'pg', '~> 0.18.3'
 gem 'sass-rails', '~> 5.0'
 gem 'uglifier', '>= 1.3.0'
@@ -16,7 +16,7 @@ gem 'active_model_serializers', '~> 0.9.3'
 gem 'rack-cors', require: 'rack/cors'
 gem 'kaminari', '~> 0.16.3'
 gem 'paper_trail', '~> 4.0.0'
-gem 'delayed_job_active_record', '~> 4.1.0'
+gem 'delayed_job_active_record', '~> 4.1.3'
 gem 'delayed_job_web', '~> 1.2.10'
 gem 'mandrill_mailer', '~> 1.1.0'
 gem 'aasm', '~> 4.3.0'