diff --git a/prisma/migrations/20241211020428_make_field_optional/migration.sql b/prisma/migrations/20241211020428_make_field_optional/migration.sql
new file mode 100644
index 0000000..d5d345a
--- /dev/null
+++ b/prisma/migrations/20241211020428_make_field_optional/migration.sql
@@ -0,0 +1,3 @@
+-- AlterTable
+ALTER TABLE "Branch" ALTER COLUMN "permitExpireDate" DROP NOT NULL,
+ALTER COLUMN "permitIssueDate" DROP NOT NULL;