diff --git a/hydra-editor.gemspec b/hydra-editor.gemspec
index a2855f7..699bb2b 100644
--- a/hydra-editor.gemspec
+++ b/hydra-editor.gemspec
@@ -24,9 +24,9 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rspec-rails', '~> 3.1'
   s.add_development_dependency 'factory_girl_rails', '~> 4.2'
   s.add_development_dependency "capybara", '~> 2.4'
-  s.add_development_dependency "devise", '~> 3.4'
+  s.add_development_dependency "devise", '~> 4.0'
   s.add_development_dependency "hydra-head", '~> 9.0'
-  s.add_development_dependency "engine_cart", '0.8.0'
+  s.add_development_dependency "engine_cart", '~> 0.8'
   s.add_development_dependency 'solr_wrapper', '~> 0.4'
   s.add_development_dependency 'fcrepo_wrapper', '~> 0.2'
 end