diff --git a/nestjs-BE/server/src/refresh-tokens/refresh-tokens.service.ts b/nestjs-BE/server/src/refresh-tokens/refresh-tokens.service.ts
index cee9d580..1cf11334 100644
--- a/nestjs-BE/server/src/refresh-tokens/refresh-tokens.service.ts
+++ b/nestjs-BE/server/src/refresh-tokens/refresh-tokens.service.ts
@@ -1,9 +1,10 @@
 import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
 import { JwtService } from '@nestjs/jwt';
-import { PrismaService } from '../prisma/prisma.service';
-import { v4 as uuid } from 'uuid';
+import { Cron, CronExpression } from '@nestjs/schedule';
 import { Prisma, RefreshToken } from '@prisma/client';
-import { ConfigService } from '@nestjs/config';
+import { v4 as uuid } from 'uuid';
+import { PrismaService } from '../prisma/prisma.service';
 import { getExpiryDate } from '../utils/date';
 
 @Injectable()
@@ -44,6 +45,13 @@ export class RefreshTokensService {
     }
   }
 
+  @Cron(CronExpression.EVERY_DAY_AT_MIDNIGHT)
+  async deleteExpiredRefreshTokens() {
+    await this.prisma.refreshToken.deleteMany({
+      where: { expiryDate: { lt: new Date() } },
+    });
+  }
+
   private createToken(): string {
     const refreshToken = this.jwtService.sign(
       { uuid: uuid() },