diff --git a/Gemfile b/Gemfile
index 1840121..34b24f0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '4.0.2'
+gem 'rails', '7.1.0'
 
 # use postgress
 gem 'pg'
@@ -13,7 +13,7 @@ gem "cancan"
 
 gem 'haml'
 
-gem "active_model_serializers"
+gem "active_model_serializers", ">= 0.8.2"
 
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 4.0.0'
@@ -24,28 +24,28 @@ gem 'pry'
 gem 'uglifier', '>= 1.3.0'
 
 # Use CoffeeScript for .js.coffee assets and views
-gem 'coffee-rails', '~> 4.0.0'
+gem 'coffee-rails', '~> 4.2.2'
 
 # add gem to implement pagination
-gem 'kaminari'
+gem 'kaminari', '>= 0.16.0'
 
-gem 'draper'
+gem 'draper', '>= 1.3.0'
 
 # See https://github.com/sstephenson/execjs#readme for more supported runtimes
 # gem 'therubyracer', platforms: :ruby
 
 # Use jquery as the JavaScript library
-gem 'jquery-rails'
+gem 'jquery-rails', '>= 4.0.1'
 
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 gem 'turbolinks'
 
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 1.2'
+gem 'jbuilder', '~> 2.0', '>= 2.0.0'
 
 group :doc do
   # bundle exec rake doc:rails generates the API under doc/api.
-  gem 'sdoc', require: false
+  gem 'sdoc', '>= 1.0.0', require: false
 end
 
 # Use ActiveModel has_secure_password