diff --git a/db/migrate/20190906062930_modify_is_test_for_user.rb b/db/migrate/20190906062930_modify_is_test_for_user.rb
new file mode 100644
index 000000000..f3f5bfd3b
--- /dev/null
+++ b/db/migrate/20190906062930_modify_is_test_for_user.rb
@@ -0,0 +1,5 @@
+class ModifyIsTestForUser < ActiveRecord::Migration[5.2]
+  def change
+    change_column :users, :is_test, :integer, :limit => 1
+  end
+end