diff --git a/integration_test/support/migration.exs b/integration_test/support/migration.exs
index fe4d62fc..971c68e4 100644
--- a/integration_test/support/migration.exs
+++ b/integration_test/support/migration.exs
@@ -27,6 +27,7 @@ defmodule Ecto.Integration.Migration do
       add :intensity, :float
       add :author_id, :integer
       add :posted, :date
+      add :read_only, :string
       timestamps(null: true)
     end