diff --git a/packages/next/lib/server-external-packages.ts b/packages/next/lib/server-external-packages.ts
index 5c5306b6585f..1f5572af6b7d 100644
--- a/packages/next/lib/server-external-packages.ts
+++ b/packages/next/lib/server-external-packages.ts
@@ -7,6 +7,7 @@ export const EXTERNAL_PACKAGES = [
   'cypress',
   'eslint',
   'express',
+  'firebase-admin',
   'jest',
   'mongodb',
   'next-mdx-remote',