diff --git a/database/entity/0052-add_updated_at_to_contributions/Contribution.ts b/database/entity/0052-add_updated_at_to_contributions/Contribution.ts
index 61d0b6cf3..fa61e9274 100644
--- a/database/entity/0052-add_updated_at_to_contributions/Contribution.ts
+++ b/database/entity/0052-add_updated_at_to_contributions/Contribution.ts
@@ -91,5 +91,5 @@ export class Contribution extends BaseEntity {
   messages?: ContributionMessage[]
 
   @Column({ nullable: true, name: 'updated_at' })
-  updatedAt: Date | null
+  updatedAt: Date
 }