Gemfile in u-attributes-0.12.0 vs Gemfile in u-attributes-0.13.0

@@ -14,11 +14,11 @@
               when '5.2' then '5.2.3'
               when '6.0' then '6.0.0.rc1'
               end
 
 if activemodel_version < '6.1'
-  gem 'activemodel', activemodel
-  gem 'activesupport', activemodel
+  gem 'activemodel', activemodel, require: false
+  gem 'activesupport', activemodel, require: false
 end
 
 minitest = activemodel_version < '4.1' ? '~> 4.2' : '~> 5.0'
 
 gem 'minitest', minitest