diff --git a/packages/backend/migration/1662943835603-larger-follow-request-ids.js b/packages/backend/migration/1662943835603-larger-follow-request-ids.js
new file mode 100644
index 000000000..f13401d51
--- /dev/null
+++ b/packages/backend/migration/1662943835603-larger-follow-request-ids.js
@@ -0,0 +1,12 @@
+export class largerFollowRequestIds1662943835603 {
+	name = 'largerFollowRequestIds1662943835603';
+
+	async up(queryRunner) {
+		await queryRunner.query(`ALTER TABLE "follow_request" ALTER COLUMN "requestId" TYPE VARCHAR(2048)`);
+	}
+
+	async down(queryRunner) {
+		await queryRunner.query(`ALTER TABLE "follow_request" ALTER COLUMN "requestId" TYPE VARCHAR(128)`);
+	}
+
+}
diff --git a/packages/backend/src/models/entities/follow-request.ts b/packages/backend/src/models/entities/follow-request.ts
index 3a2e48ce9..cd0acc453 100644
--- a/packages/backend/src/models/entities/follow-request.ts
+++ b/packages/backend/src/models/entities/follow-request.ts
@@ -40,7 +40,7 @@ export class FollowRequest {
 	public follower: User | null;
 
 	@Column('varchar', {
-		length: 128, nullable: true,
+		length: 2048, nullable: true,
 		comment: 'id of Follow Activity.',
 	})
 	public requestId: string | null;