diff --git a/Gemfile b/Gemfile
index ece417c9f5..0e7c70ca9a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -36,7 +36,7 @@ group :development, :test do
   gem 'selenium-webdriver', '~> 3.8'
   gem 'rspec-activemodel-mocks', '~> 1.0'
   gem 'rspec-rails', '~> 3.7'
-  gem 'shoulda-matchers', '~> 3.1'
+  gem 'shoulda-matchers', '~> 4.0'
   gem 'rails-controller-testing', '~> 1.0'
 end