diff --git a/Gemfile b/Gemfile
index e4f9283..5880ce1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 gemspec path: File.expand_path('..', __FILE__)
 
 # BEGIN ENGINE_CART BLOCK
-# engine_cart: 0.10.0
+# engine_cart: 1.0.1
 # engine_cart stanza: 0.10.0
 # the below comes from engine_cart, a gem used to test this Rails engine gem in the context of a Rails app.
 file = File.expand_path('Gemfile', ENV['ENGINE_CART_DESTINATION'] || ENV['RAILS_ROOT'] || File.expand_path('.internal_test_app', File.dirname(__FILE__)))
diff --git a/blacklight-marc.gemspec b/blacklight-marc.gemspec
index d6c54d3..be2d7c7 100644
--- a/blacklight-marc.gemspec
+++ b/blacklight-marc.gemspec
@@ -35,5 +35,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "capybara"
   spec.add_development_dependency "coveralls"
   spec.add_development_dependency "simplecov"
-  spec.add_development_dependency "engine_cart", "~> 0.10"
+  spec.add_development_dependency "engine_cart", "~> 1.0"
 end