diff --git a/apps/dcellar-web-ui/middleware.ts b/apps/dcellar-web-ui/middleware.ts
index a461af8b..ef3bd7f7 100644
--- a/apps/dcellar-web-ui/middleware.ts
+++ b/apps/dcellar-web-ui/middleware.ts
@@ -1,6 +1,6 @@
-import { NextResponse } from 'next/server';
+import { NextRequest, NextResponse } from 'next/server';
 
-export function middleware(request) {
+export function middleware(request: NextRequest) {
   const nonce = Buffer.from(crypto.randomUUID()).toString('base64');
   const cspHeader = `
     default-src 'self';