1 files changed, 5 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb b/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
index bb0526adc3..bbdddfb50d 100644
--- a/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
+++ b/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
@@ -44,8 +44,13 @@ module ActiveModel
 
     class StrictSanitizer < Sanitizer
       def process_removed_attributes(attrs)
+        return if (attrs - insensitive_attributes).empty?
         raise ActiveModel::MassAssignmentSecurity::Error, "Can't mass-assign protected attributes: #{attrs.join(', ')}"
       end
+
+      def insensitive_attributes
+        ['id']
+      end
     end
 
     class Error < StandardError