diff --git a/apps/fixtures/bare/package.json b/apps/fixtures/bare/package.json
index 4a2443a2d..4d5664501 100644
--- a/apps/fixtures/bare/package.json
+++ b/apps/fixtures/bare/package.json
@@ -1,6 +1,7 @@
 {
   "name": "fixture-bare",
   "type": "module",
+  "private": true,
   "scripts": {
     "dev": "vite dev",
     "build": "vite build"
diff --git a/apps/fixtures/basic/package.json b/apps/fixtures/basic/package.json
index 4a82c3d9f..8f2c43cf8 100644
--- a/apps/fixtures/basic/package.json
+++ b/apps/fixtures/basic/package.json
@@ -1,6 +1,7 @@
 {
   "name": "fixture-basic",
   "type": "module",
+  "private": true,
   "scripts": {
     "dev": "vite dev",
     "build": "vite build"
diff --git a/apps/fixtures/css/package.json b/apps/fixtures/css/package.json
index b3b32953b..ae34f4939 100644
--- a/apps/fixtures/css/package.json
+++ b/apps/fixtures/css/package.json
@@ -1,6 +1,7 @@
 {
   "name": "fixture-css",
   "type": "module",
+  "private": true,
   "scripts": {
     "dev": "vite dev",
     "build": "vite build",
diff --git a/apps/fixtures/experiments/package.json b/apps/fixtures/experiments/package.json
index 3206a8511..21b3ff171 100644
--- a/apps/fixtures/experiments/package.json
+++ b/apps/fixtures/experiments/package.json
@@ -1,6 +1,7 @@
 {
   "name": "fixture-experiments",
   "type": "module",
+  "private": true,
   "scripts": {
     "dev": "vite dev",
     "build": "vite build"
diff --git a/apps/fixtures/hackernews/package.json b/apps/fixtures/hackernews/package.json
index c31a9e1ad..2c6455e7d 100644
--- a/apps/fixtures/hackernews/package.json
+++ b/apps/fixtures/hackernews/package.json
@@ -1,6 +1,7 @@
 {
   "name": "fixture-hackernews",
   "type": "module",
+  "private": true,
   "scripts": {
     "dev": "vite dev",
     "build": "vite build"
diff --git a/apps/fixtures/nitro-3/package.json b/apps/fixtures/nitro-3/package.json
index c9cc0b07c..e5636904a 100644
--- a/apps/fixtures/nitro-3/package.json
+++ b/apps/fixtures/nitro-3/package.json
@@ -1,6 +1,7 @@
 {
   "name": "fixture-nitro-3",
   "type": "module",
+  "private": true,
   "scripts": {
     "dev": "vite dev",
     "build": "vite build",
diff --git a/apps/fixtures/notes/package.json b/apps/fixtures/notes/package.json
index bf176daf5..33c492e3b 100644
--- a/apps/fixtures/notes/package.json
+++ b/apps/fixtures/notes/package.json
@@ -1,6 +1,7 @@
 {
   "name": "fixture-notes",
   "type": "module",
+  "private": true,
   "scripts": {
     "dev": "vite dev",
     "build": "vite build"
diff --git a/apps/fixtures/todomvc/package.json b/apps/fixtures/todomvc/package.json
index 5d51061f0..ce55b4346 100644
--- a/apps/fixtures/todomvc/package.json
+++ b/apps/fixtures/todomvc/package.json
@@ -1,6 +1,7 @@
 {
   "name": "fixture-todomvc",
   "type": "module",
+  "private": true,
   "scripts": {
     "dev": "vite dev",
     "build": "vite build",