diff --git a/packages/next/src/lib/find-root.ts b/packages/next/src/lib/find-root.ts
index 42a4cf7422b7a..b6674c512fd67 100644
--- a/packages/next/src/lib/find-root.ts
+++ b/packages/next/src/lib/find-root.ts
@@ -2,9 +2,12 @@ import { dirname } from 'path'
 import findUp from 'next/dist/compiled/find-up'
 
 export function findRootLockFile(cwd: string) {
-  return findUp.sync(['pnpm-lock.yaml', 'package-lock.json', 'yarn.lock'], {
-    cwd,
-  })
+  return findUp.sync(
+    ['pnpm-lock.yaml', 'package-lock.json', 'yarn.lock', 'bun.lockb'],
+    {
+      cwd,
+    }
+  )
 }
 
 export function findRootDir(cwd: string) {