diff --git a/Gemfile b/Gemfile
--- a/Gemfile
+++ b/Gemfile
@@ -1,9 +1,13 @@
 source 'https://rubygems.org'
+git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 #rails
-gem 'rails', '~>5.0'
+gem 'rails', '~>5.2'
 gem 'activerecord-session_store'
+gem 'puma'
 
+# Reduces boot times through caching; required in config/boot.rb
+gem 'bootsnap', '>= 1.1.0', require: false
 
 # Bundle edge Rails instead:
 # gem 'rails', :git => 'git://github.com/rails/rails.git'
@@ -17,9 +21,13 @@
 #for dumping database into yaml
 gem 'yaml_db'
 
+
+#------------- assset pipeline -----------------
 # Gems used only for assets and not required
 # in production environments by default.
-gem 'sass-rails'
+#sass-rails is depricated
+#gem 'sass-rails'
+gem 'sassc-rails'
 gem 'coffee-rails'
 
   # See https://github.com/sstephenson/execjs#readme for more supported runtimes
@@ -29,23 +37,12 @@
 
 gem 'haml'
 gem 'haml-rails'
-# gem 'prototype-rails'
-
-# To use ActiveModel has_secure_password
-# gem 'bcrypt-ruby', '~> 3.0.0'
-
-# To use Jbuilder templates for JSON
-# gem 'jbuilder'
 
-# Use unicorn as the app server
-# gem 'unicorn'
+# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
+#gem 'turbolinks', '~> 5'
+# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
+gem 'jbuilder', '~> 2.5'
 
-# Deploy with Capistrano
-# gem 'capistrano'
-
-# To use debugger
-# gem 'debugger'
-#
 
 #in-place editor
 gem 'best_in_place', '~> 3.0.1'
@@ -62,7 +59,6 @@
 
 #bootstrap add-ons
 gem 'bootstrap-sass', '~> 3.4.1'
-gem 'sassc-rails', '>= 2.1.0'
 gem 'bootstrap-switch-rails'
 gem 'bootstrap-toggle-rails'
 gem 'autoprefixer-rails'
@@ -84,7 +80,7 @@
 gem 'rdiscount'
 gem 'dynamic_form'
 gem 'in_place_editing'
-gem 'verification', :git => 'https://github.com/sikachu/verification.git'
+#gem 'verification', :git => 'https://github.com/sikachu/verification.git'
 
 
 #---------------- testiing -----------------------
@@ -92,3 +88,28 @@
 
 #---------------- for console --------------------
 gem 'fuzzy-string-match'
+
+
+group :development, :test do
+  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
+  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+end
+
+group :development do
+  # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
+  gem 'web-console', '>= 3.3.0'
+  gem 'listen', '>= 3.0.5', '< 3.2'
+  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
+  gem 'spring'
+  gem 'spring-watcher-listen', '~> 2.0.0'
+end
+
+group :test do
+  # Adds support for Capybara system testing and selenium driver
+  gem 'capybara', '>= 2.15'
+  gem 'selenium-webdriver'
+  # Easy installation and use of chromedriver to run system tests with Chrome
+  #gem 'chromedriver-helper'
+  gem 'webdriver'
+end
+