diff --git a/db/migrate/20150819205900_add_time_limits_to_event_types.rb b/db/migrate/20150819205900_add_time_limits_to_event_types.rb
new file mode 100644
index 0000000..adff861
--- /dev/null
+++ b/db/migrate/20150819205900_add_time_limits_to_event_types.rb
@@ -0,0 +1,6 @@
+class AddTimeLimitsToEventTypes < ActiveRecord::Migration
+  def change
+    add_column :event_types, :minimum_length, :integer
+    add_column :event_types, :maximum_length, :integer
+  end
+end