diff --git a/dictation_server/db/migrations/033-fix_option_item_columns.sql b/dictation_server/db/migrations/033-fix_option_item_columns.sql
new file mode 100644
index 0000000..8dba40c
--- /dev/null
+++ b/dictation_server/db/migrations/033-fix_option_item_columns.sql
@@ -0,0 +1,9 @@
+-- +migrate Up
+ALTER TABLE `option_items`
+MODIFY COLUMN `item_label` VARCHAR(16) NOT NULL COMMENT 'アイテムラベル',
+MODIFY COLUMN `initial_value` VARCHAR(20) NOT NULL COMMENT 'オプションアイテム初期値';
+
+-- +migrate Down
+ALTER TABLE `option_items`
+MODIFY COLUMN `item_label` VARCHAR(50) NOT NULL COMMENT 'アイテムラベル',
+MODIFY COLUMN `initial_value` VARCHAR(50) NOT NULL COMMENT 'オプションアイテム初期値';
\ No newline at end of file