diff --git a/priv/repo/migrations/20240214114158_add_legacy_flag_to_site_imports.exs b/priv/repo/migrations/20240214114158_add_legacy_flag_to_site_imports.exs
new file mode 100644
index 000000000..36b661e40
--- /dev/null
+++ b/priv/repo/migrations/20240214114158_add_legacy_flag_to_site_imports.exs
@@ -0,0 +1,9 @@
+defmodule Plausible.Repo.Migrations.AddLegacyFlagToSiteImports do
+  use Ecto.Migration
+
+  def change do
+    alter table(:site_imports) do
+      add :legacy, :boolean, null: false, default: true
+    end
+  end
+end