diff --git a/backend/src/modules/organizations/entities/organization.entity.ts b/backend/src/modules/organizations/entities/organization.entity.ts
index f9cdfa9..3ef35ec 100644
--- a/backend/src/modules/organizations/entities/organization.entity.ts
+++ b/backend/src/modules/organizations/entities/organization.entity.ts
@@ -62,13 +62,13 @@ export class Organization {
   planLevel: string;
 
   @Column({ name: 'payment_date', type: 'date', nullable: true })
-  paymentDate: Date;
+  paymentDate: Date | null;
 
   @Column({ name: 'confirmation_number', nullable: true })
-  confirmationNumber: string;
+  confirmationNumber: string | null;
 
   @Column({ name: 'renewal_date', type: 'date', nullable: true })
-  renewalDate: Date;
+  renewalDate: Date | null;
 
   @CreateDateColumn({ name: 'created_at', type: 'timestamptz' })
   createdAt: Date;