diff --git a/Gemfile b/Gemfile
index 3ca8209..f5dd335 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,19 +5,19 @@ ruby '2.4.0'
 #   "https://github.com/#{repo_name}.git"
 # end
 
-gem 'coffee-rails', '~> 4.2'
+gem 'coffee-rails', '~> 4.2', '>= 4.2.2'
 gem 'jbuilder', '~> 2.5'
-gem 'jquery-rails'
+gem 'jquery-rails', '>= 4.3.2'
 gem 'pg', '~> 0.18'
 gem 'puma', '~> 3.0'
-gem 'rails', '~> 5.0.2'
-gem 'sass-rails', '~> 5.0'
+gem 'rails', '~> 5.0.3'
+gem 'sass-rails', '~> 5.0', '>= 5.0.7'
 gem 'turbolinks', '~> 5.x'
 gem 'uglifier', '>= 1.3.0'
 
 group :development do
   gem 'listen', '~> 3.0.5'
-  gem 'web-console', '>= 3.3.0'
+  gem 'web-console', '>= 3.5.1'
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
 end