diff --git a/src/tickets/dto/my-tickets-query.dto.spec.ts b/src/tickets/dto/my-tickets-query.dto.spec.ts
new file mode 100644
index 0000000..ef1682b
--- /dev/null
+++ b/src/tickets/dto/my-tickets-query.dto.spec.ts
@@ -0,0 +1,25 @@
+import 'reflect-metadata';
+import { plainToInstance } from 'class-transformer';
+import { validate } from 'class-validator';
+import { MyTicketsQueryDto } from './my-tickets-query.dto';
+
+describe('MyTicketsQueryDto', () => {
+  it('accepts an empty query', async () => {
+    const dto = plainToInstance(MyTicketsQueryDto, {});
+    expect(await validate(dto)).toHaveLength(0);
+  });
+
+  it.each(['VALID', 'USED', 'REVOKED', 'RESALE'])(
+    'accepts status %s',
+    async (status) => {
+      const dto = plainToInstance(MyTicketsQueryDto, { status });
+      expect(await validate(dto)).toHaveLength(0);
+    },
+  );
+
+  it.each(['valid', 'EXPIRED', ''])('rejects status %p', async (status) => {
+    const dto = plainToInstance(MyTicketsQueryDto, { status });
+    const errors = await validate(dto);
+    expect(errors.some((e) => e.property === 'status')).toBe(true);
+  });
+});
diff --git a/src/tickets/dto/my-tickets-query.dto.ts b/src/tickets/dto/my-tickets-query.dto.ts
new file mode 100644
index 0000000..c805c38
--- /dev/null
+++ b/src/tickets/dto/my-tickets-query.dto.ts
@@ -0,0 +1,9 @@
+import { TicketStatus } from '@prisma/client';
+import { IsEnum, IsOptional } from 'class-validator';
+
+/** Optional status filter for `GET /tickets/mine`. */
+export class MyTicketsQueryDto {
+  @IsOptional()
+  @IsEnum(TicketStatus)
+  status?: TicketStatus;
+}
diff --git a/src/tickets/tickets.controller.spec.ts b/src/tickets/tickets.controller.spec.ts
index eedb1cf..b951aea 100644
--- a/src/tickets/tickets.controller.spec.ts
+++ b/src/tickets/tickets.controller.spec.ts
@@ -188,6 +188,15 @@ describe('TicketsController', () => {
       expect(service.findMine).toHaveBeenCalledWith(uid, 'VALID');
     });
 
+    it('GET /mine rejects an unknown status', async () => {
+      await http()
+        .get('/tickets/mine')
+        .query({ status: 'EXPIRED' })
+        .set(AUTH)
+        .expect(400);
+      expect(service.findMine).not.toHaveBeenCalled();
+    });
+
     it('GET /verify/:qrSecret verifies as the caller', async () => {
       service.verify.mockResolvedValue({ valid: true });
       await http().get('/tickets/verify/s3cret').set(AUTH).expect(200);
@@ -382,7 +391,9 @@ describe('TicketsController', () => {
 
     it('POST /confirm-issue returns 409 when the seat is already taken for the event (#135)', async () => {
       service.confirmIssue.mockRejectedValue(
-        new ConflictException('That seat has already been issued for this event'),
+        new ConflictException(
+          'That seat has already been issued for this event',
+        ),
       );
       const res = await http()
         .post('/tickets/confirm-issue')
@@ -400,9 +411,20 @@ describe('TicketsController', () => {
     const body = { ticketTypeId: UUID, recipients: [recipient] };
 
     it('POST /issue-batch forwards ticketTypeId and recipients to the service', async () => {
-      service.buildIssueBatch.mockResolvedValue({ total: 1, succeeded: 1, failed: 0, results: [] });
-      await http().post('/tickets/issue-batch').set(AUTH).send(body).expect(201);
-      expect(service.buildIssueBatch).toHaveBeenCalledWith(uid, UUID, [recipient]);
+      service.buildIssueBatch.mockResolvedValue({
+        total: 1,
+        succeeded: 1,
+        failed: 0,
+        results: [],
+      });
+      await http()
+        .post('/tickets/issue-batch')
+        .set(AUTH)
+        .send(body)
+        .expect(201);
+      expect(service.buildIssueBatch).toHaveBeenCalledWith(uid, UUID, [
+        recipient,
+      ]);
     });
 
     it('POST /issue-batch rejects a non-UUID ticketTypeId', async () => {
@@ -427,14 +449,19 @@ describe('TicketsController', () => {
       await http()
         .post('/tickets/issue-batch')
         .set(AUTH)
-        .send({ ticketTypeId: UUID, recipients: [{ toUserId: UUID2, toPublicKey: 'bad' }] })
+        .send({
+          ticketTypeId: UUID,
+          recipients: [{ toUserId: UUID2, toPublicKey: 'bad' }],
+        })
         .expect(400);
       expect(service.buildIssueBatch).not.toHaveBeenCalled();
     });
 
     it('POST /issue-batch returns 400 when the batch exceeds the configured max size', async () => {
       service.buildIssueBatch.mockRejectedValue(
-        new BadRequestException('Batch size exceeds the maximum of 50 recipients'),
+        new BadRequestException(
+          'Batch size exceeds the maximum of 50 recipients',
+        ),
       );
       const bigBatch = Array.from({ length: 51 }, () => recipient);
       const res = await http()
@@ -442,7 +469,9 @@ describe('TicketsController', () => {
         .set(AUTH)
         .send({ ticketTypeId: UUID, recipients: bigBatch })
         .expect(400);
-      expect((res.body as { message: string }).message).toContain('Batch size exceeds');
+      expect((res.body as { message: string }).message).toContain(
+        'Batch size exceeds',
+      );
     });
   });
 
diff --git a/src/tickets/tickets.controller.ts b/src/tickets/tickets.controller.ts
index f1a6dd5..badac36 100644
--- a/src/tickets/tickets.controller.ts
+++ b/src/tickets/tickets.controller.ts
@@ -16,7 +16,6 @@ import type { Response } from 'express';
 import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
 import { CurrentUser } from '../auth/decorators/current-user.decorator';
 import type { CurrentUserPayload } from '../auth/decorators/current-user.decorator';
-import { TicketStatus } from '@prisma/client';
 import { ScanRateLimitGuard } from '../common/guards/scan-rate-limit.guard';
 import { IdempotencyInterceptor } from '../common/interceptors/idempotency.interceptor';
 import { TicketsService } from './tickets.service';
@@ -32,6 +31,7 @@ import { ListForResaleDto } from './dto/list-for-resale.dto';
 import { ConfirmListForResaleDto } from './dto/confirm-list-for-resale.dto';
 import { UpdateResalePriceDto } from './dto/update-resale-price.dto';
 import { ResaleListingsQueryDto } from './dto/resale-listings-query.dto';
+import { MyTicketsQueryDto } from './dto/my-tickets-query.dto';
 import { RevokeBatchDto } from './dto/revoke-batch.dto';
 import { IssueBatchDto } from './dto/issue-batch.dto';
 
@@ -60,9 +60,9 @@ export class TicketsController {
   @Get('mine')
   findMine(
     @CurrentUser() user: CurrentUserPayload,
-    @Query('status') status?: TicketStatus,
+    @Query() query: MyTicketsQueryDto,
   ) {
-    return this.ticketsService.findMine(user.userId, status);
+    return this.ticketsService.findMine(user.userId, query.status);
   }
 
   @Get('verify/:qrSecret')