diff --git a/spec/support/authentication_helpers.rb b/spec/support/authentication_helpers.rb
index 1ff767f5a..fe252cb02 100644
--- a/spec/support/authentication_helpers.rb
+++ b/spec/support/authentication_helpers.rb
@@ -9,6 +9,6 @@ def sign_in_as!(user)
 
 RSpec.configure do |config|
   config.include AuthenticationHelpers, type: :feature
-  config.include Devise::TestHelpers,   type: :controller
+  config.include Devise::Test::ControllerHelpers, type: :controller
   config.include Rack::Test::Methods,   type: :feature
 end
diff --git a/spree_auth_devise.gemspec b/spree_auth_devise.gemspec
index 11a8336ef..bc5ca1d6b 100644
--- a/spree_auth_devise.gemspec
+++ b/spree_auth_devise.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.require_path = 'lib'
   s.requirements << 'none'
 
-  s.add_dependency 'devise', '~> 4.0.0'
+  s.add_dependency 'devise', '~> 4.3.0'
   s.add_dependency 'devise-encryptable', '0.1.2'
 
   spree_version = '>= 3.1.0', '< 4.0'