diff --git a/db/migrate/20250327044028_add_classic_ii_and_collab_to_gacha.rb b/db/migrate/20250327044028_add_classic_ii_and_collab_to_gacha.rb
new file mode 100644
index 0000000..2396393
--- /dev/null
+++ b/db/migrate/20250327044028_add_classic_ii_and_collab_to_gacha.rb
@@ -0,0 +1,6 @@
+class AddClassicIiAndCollabToGacha < ActiveRecord::Migration[8.0]
+  def change
+    add_column :gacha, :classic_ii, :boolean, default: false
+    add_column :gacha, :collab, :boolean, default: false
+  end
+end