lib/generators/admin/install/templates/migrations/create_admin_users.rb.tt in administration-zero-0.0.10 vs lib/generators/admin/install/templates/migrations/create_admin_users.rb.tt in administration-zero-0.0.11

@@ -1,9 +1,9 @@
 class <%= migration_class_name %> < ActiveRecord::Migration[<%= ActiveRecord::Migration.current_version %>]
   def change
     create_table :admin_users do |t|
-      t.string :email
-      t.string :password_digest
+      t.string :email, null: false
+      t.string :password_digest, null: false
 
       t.timestamps
     end
 
     add_index :admin_users, :email, unique: true