app/models/study_engine/assessment.rb in study_engine-0.1.1 vs app/models/study_engine/assessment.rb in study_engine-0.2.0

@@ -5,11 +5,17 @@
   class Assessment < ActiveRecord::Base
     cattr_accessor(:timeout_interval) { 10.minutes }
 
     default_scope -> { includes(:persisted_results) }
 
+    # Rails 5.1
+    def self.timestamp_attributes_for_create
+      super + ["assessment_updated_at"]
+    end
+
+    # Rails 5.0
     def timestamp_attributes_for_create
-      super + [:assessment_updated_at]
+      super + ["assessment_updated_at"]
     end
 
     def self.by_event event
       where(event: event)
     end