diff --git a/packages/nextjs/src/app-router/server/auth.ts b/packages/nextjs/src/app-router/server/auth.ts
index 97302ea3d7..836a27ae09 100644
--- a/packages/nextjs/src/app-router/server/auth.ts
+++ b/packages/nextjs/src/app-router/server/auth.ts
@@ -1,3 +1,5 @@
+import 'server-only';
+
 import type { AuthObject, RedirectFun } from '@clerk/backend/internal';
 import { constants, createClerkRequest, createRedirect } from '@clerk/backend/internal';
 import { notFound, redirect } from 'next/navigation';
diff --git a/packages/nextjs/src/app-router/server/currentUser.ts b/packages/nextjs/src/app-router/server/currentUser.ts
index 4d7cb2d7be..b73d8cc708 100644
--- a/packages/nextjs/src/app-router/server/currentUser.ts
+++ b/packages/nextjs/src/app-router/server/currentUser.ts
@@ -1,3 +1,5 @@
+import 'server-only';
+
 import type { User } from '@clerk/backend';
 
 import { clerkClient } from '../../server/clerkClient';