diff --git a/active_admin_editor.gemspec b/active_admin_editor.gemspec
index 0e2bbee..c51c66e 100644
--- a/active_admin_editor.gemspec
+++ b/active_admin_editor.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
   s.test_files = Dir['spec/**/*']
 
   s.add_dependency 'rails', '>= 3.0.0'
-  s.add_dependency 'activeadmin', '>= 0.4.0'
+  s.add_dependency 'activeadmin', '>= 0.4.3'
   s.add_dependency 'ejs'
 
   s.add_development_dependency 'sqlite3'
@@ -26,7 +26,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'factory_girl_rails'
   s.add_development_dependency 'database_cleaner', '~> 0.9.1'
   s.add_development_dependency 'capybara', '~> 1.1.4'
-  s.add_development_dependency 'activeadmin', '~> 0.4.3'
   s.add_development_dependency 'poltergeist', '~> 1.0.2'
   s.add_development_dependency 'faker'