diff --git a/Gemfile b/Gemfile
index 3d1bd4a..ddb0781 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,24 +1,24 @@
 source 'https://rubygems.org'
 # ruby '2.1.0', engine: 'rbx', engine_version: '2.2.10'
 
-gem 'rails', '4.2.0'
-gem 'sass-rails', '~> 4.0.2'
+gem 'rails', '7.0.8.1'
+gem 'sass-rails', '~> 5.0.8'
 gem 'uglifier', '>= 1.3.0'
-gem 'coffee-rails', '~> 4.0.0'
-gem 'jquery-rails'
-gem 'turbolinks'
+gem 'coffee-rails', '~> 4.2.2'
+gem 'jquery-rails', '>= 4.1.0'
+gem 'turbolinks', '>= 2.5.4'
 gem 'jquery-turbolinks'
 gem 'jbuilder'
 gem 'bootstrap-sass'
-gem 'devise'
-gem 'haml-rails'
+gem 'devise', '>= 4.7.0'
+gem 'haml-rails', '>= 1.0.0'
 gem 'pg'
 gem 'rolify'
 gem 'state_machine'
 gem 'gravatar_image_tag'
 gem 'puma', ">= 2.0"
-gem 'omniauth-github'
-gem 'activerecord-session_store'
+gem 'omniauth-github', '>= 1.2.0'
+gem 'activerecord-session_store', '>= 1.1.1'
 gem 'will_paginate'
 gem 'will_paginate-bootstrap'
 # gem 'rack-mini-profiler'
@@ -34,15 +34,15 @@ group :development do
 end
 
 group :development, :test do
-  gem 'factory_girl_rails'
+  gem 'factory_girl_rails', '>= 4.6.0'
   gem 'pry-rails', require: false
-  gem 'rspec-rails'
-  gem 'poltergeist'
+  gem 'rspec-rails', '>= 3.5.0'
+  gem 'poltergeist', '>= 1.7.0'
 
   # other test deps
   gem 'rake'
-  gem 'capybara'
-  gem 'cucumber-rails', require: false
+  gem 'capybara', '>= 2.6.0'
+  gem 'cucumber-rails', '>= 1.4.3', require: false
   gem 'database_cleaner', '1.0.1'
   gem 'email_spec'
   gem 'spring'