diff --git a/Gemfile b/Gemfile
index c6a5063..714ef96 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,10 +2,10 @@ source 'https://rubygems.org'
 
 ruby '~> 2.5.5'
 
-gem 'rails', '~> 4'
-gem 'rails-api'
+gem 'rails', '~> 5', '>= 5.0.0'
+gem 'rails-api', '>= 0.4.1'
 gem 'settingslogic'
-gem 'omniauth-uaa-oauth2'
+gem 'omniauth-uaa-oauth2', '>= 1.0.0'
 gem 'nats'
 gem 'sass-rails', '>= 6.0.0'
 gem 'docker-api'
@@ -13,16 +13,16 @@ gem 'tzinfo-data'
 
 group :production do
   gem 'unicorn'
-  gem 'lograge'
+  gem 'lograge', '>= 0.11.2'
 end
 
 group :development, :test do
-  gem 'rspec-rails'
+  gem 'rspec-rails', '>= 3.8.2'
 end
 
 group :development do
   gem 'guard-rails'
-  gem 'shotgun'
+  gem 'shotgun', '>= 0.9.2'
 end
 
 group :test do