diff --git a/webui/Gemfile b/webui/Gemfile
index 6f7670f..48ecae1 100644
--- a/webui/Gemfile
+++ b/webui/Gemfile
@@ -2,22 +2,22 @@ source 'https://rubygems.org/'
 #source 'file:///home/pqr/work/rubygems/'
 #source 'file:///media/laila/MARIO_64/rubygems/'
 
-gem 'rails', '4.1.8'
+gem 'rails', '4.1.9'
 gem 'sqlite3'
-gem 'sass-rails', '~> 4.0.0'
+gem 'sass-rails', '~> 5.0.0'
 gem 'uglifier', '>= 1.3.0'
-gem 'coffee-rails', '~> 4.0.0'
+gem 'coffee-rails', '~> 4.1.0'
 gem 'therubyracer', platforms: :ruby
-gem 'jquery-rails'
-gem 'turbolinks'
+gem 'jquery-rails', '>= 3.1.4'
+gem 'turbolinks', '>= 2.5.4'
 gem 'jbuilder', '~> 1.2'
 gem 'thin'
-gem 'devise'
-gem 'twitter-bootstrap-rails'
+gem 'devise', '>= 3.5.2'
+gem 'twitter-bootstrap-rails', '>= 3.2.2'
 gem 'less-rails'
 gem 'better_errors'
 gem 'binding_of_caller'
-gem 'web-console'
+gem 'web-console', '>= 2.3.0'
 
 group :doc do
   # bundle exec rake doc:rails generates the API under doc/api.