diff --git a/backend/src/graphql/model/Contribution.ts b/backend/src/graphql/model/Contribution.ts
index a1537244d..34bffd6d7 100644
--- a/backend/src/graphql/model/Contribution.ts
+++ b/backend/src/graphql/model/Contribution.ts
@@ -13,6 +13,8 @@ export class Contribution {
     this.memo = contribution.memo
     this.createdAt = contribution.createdAt
     this.deletedAt = contribution.deletedAt
+    this.confirmedAt = contribution.confirmedAt
+    this.confirmedBy = contribution.confirmedBy
   }
 
   @Field(() => Number)
@@ -35,6 +37,12 @@ export class Contribution {
 
   @Field(() => Date, { nullable: true })
   deletedAt: Date | null
+
+  @Field(() => Date, { nullable: true })
+  confirmedAt: Date | null
+
+  @Field(() => Number, { nullable: true })
+  confirmedBy: number | null
 }
 
 @ObjectType()