diff --git a/spree_auth_devise.gemspec b/spree_auth_devise.gemspec
index ba349bafa..b69cd5532 100644
--- a/spree_auth_devise.gemspec
+++ b/spree_auth_devise.gemspec
@@ -45,7 +45,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rspec-rails', '~> 4.0.0.beta2'
   s.add_development_dependency 'sass-rails'
   s.add_development_dependency 'selenium-webdriver'
-  s.add_development_dependency 'shoulda-matchers', '~> 3.1'
+  s.add_development_dependency 'shoulda-matchers', '~> 4.3'
   s.add_development_dependency 'simplecov', '~> 0.12'
   s.add_development_dependency 'spree_backend', spree_version
   s.add_development_dependency 'spree_frontend', spree_version