diff --git a/dashboards/tracker-web/src/__tests__/tracker-proxy.test.ts b/dashboards/tracker-web/src/__tests__/tracker-proxy.test.ts
index 46b3bf42..e83a5f09 100644
--- a/dashboards/tracker-web/src/__tests__/tracker-proxy.test.ts
+++ b/dashboards/tracker-web/src/__tests__/tracker-proxy.test.ts
@@ -3,6 +3,7 @@
  */
 
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import type { NextRequest } from 'next/server';
 
 // Mock global fetch
 const mockFetch = vi.fn();
@@ -15,7 +16,7 @@ function mockNextRequest(
   path: string,
   body?: string,
   headers?: Record<string, string>
-) {
+): NextRequest {
   const _url = new URL(`http://localhost:3003/api/tracker/${path}`);
   const headerMap = new Map(Object.entries(headers || {}));
   return {
@@ -27,7 +28,7 @@ function mockNextRequest(
       searchParams: new URLSearchParams(),
     },
     text: async () => body || '',
-  } as any;
+  } as unknown as NextRequest;
 }
 
 describe('tracker proxy', () => {