diff --git a/db/migrate/20190815064541_modify_class_period_for_courses.rb b/db/migrate/20190815064542_modify_class_period_for_courses.rb
similarity index 100%
rename from db/migrate/20190815064541_modify_class_period_for_courses.rb
rename to db/migrate/20190815064542_modify_class_period_for_courses.rb