diff --git a/Gemfile b/Gemfile
index c4026f7..8189807 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,20 +4,20 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 ruby '2.5.1'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.2.3'
+gem 'rails', '~> 5.2.4'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
 # Use Puma as the app server
 gem 'puma', '~> 3.11'
 # Use SCSS for stylesheets
-gem 'sass-rails', '~> 5.0'
+gem 'sass-rails', '~> 5.0', '>= 5.0.8'
 # Use Uglifier as compressor for JavaScript assets
 gem 'uglifier', '>= 1.3.0'
 # See https://github.com/rails/execjs#readme for more supported runtimes
 # gem 'mini_racer', platforms: :ruby
 
 # Use CoffeeScript for .coffee assets and views
-gem 'coffee-rails', '~> 4.2'
+gem 'coffee-rails', '~> 5.0', '>= 5.0.0'
 # 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
@@ -43,7 +43,7 @@ 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 'web-console', '>= 4.0.0'
   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'
@@ -52,7 +52,7 @@ end
 
 group :test do
   # Adds support for Capybara system testing and selenium driver
-  gem 'capybara', '>= 2.15'
+  gem 'capybara', '>= 3.26.0'
   gem 'selenium-webdriver'
   # Easy installation and use of chromedriver to run system tests with Chrome
   gem 'chromedriver-helper'