diff --git a/Gemfile b/Gemfile
index 5ddbad1..12c6f38 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,14 +7,14 @@ gem 'jquery-rails'
 gem 'jbuilder', '~> 1.2'
 gem 'spreadsheet'
 gem 'devise'
-gem 'nokogiri'
+gem 'nokogiri', '>= 1.11.4'
 gem 'sass-rails', '~> 4.0.3'
 gem 'bootstrap-sass', '~> 3.1.1'
 gem 'bootstrap-datepicker-rails'
 gem 'will_paginate', '~> 3.0'
 gem 'will_paginate-bootstrap', '~> 1.0.0'
 gem 'paperclip', '~> 4.1.1'
-gem 'aws-sdk', '~> 1.42.0'
+gem 'aws-sdk', '~> 1.43.0'
 gem 'cancan'
 gem 'rails-i18n', '~> 4.0.0'