3 files changed, 7 insertions, 10 deletions
diff --git a/packages/upgrade/package.json b/packages/upgrade/package.json
index c396409e1..22894e641 100644
--- a/packages/upgrade/package.json
+++ b/packages/upgrade/package.json
@@ -22,21 +22,18 @@
     "dev": "astro-scripts dev \"src/**/*.ts\"",
     "test": "astro-scripts test \"test/**/*.test.js\""
   },
-  "files": [
-    "dist",
-    "upgrade.js"
-  ],
+  "files": ["dist", "upgrade.js"],
   "//a": "MOST PACKAGES SHOULD GO IN DEV_DEPENDENCIES! THEY WILL BE BUNDLED.",
   "//b": "DEPENDENCIES IS FOR UNBUNDLED PACKAGES",
   "dependencies": {
     "@astrojs/cli-kit": "^0.4.1",
     "semver": "^7.6.2",
-    "which-pm-runs": "^1.1.0",
+    "preferred-pm": "^3.1.3",
     "terminal-link": "^3.0.0"
   },
   "devDependencies": {
     "@types/semver": "^7.5.8",
-    "@types/which-pm-runs": "^1.0.2",
+    "@types/preferred-pm": "^3.0.0",
     "arg": "^5.0.2",
     "astro-scripts": "workspace:*",
     "strip-ansi": "^7.1.0"
diff --git a/packages/upgrade/src/actions/context.ts b/packages/upgrade/src/actions/context.ts
index 775c552c0..9c229a363 100644
--- a/packages/upgrade/src/actions/context.ts
+++ b/packages/upgrade/src/actions/context.ts
@@ -1,7 +1,7 @@
 import { pathToFileURL } from 'node:url';
 import { prompt } from '@astrojs/cli-kit';
 import arg from 'arg';
-import detectPackageManager from 'which-pm-runs';
+import detectPackageManager from 'preferred-pm';
 
 export interface Context {
 	help: boolean;
@@ -38,7 +38,7 @@ export async function getContext(argv: string[]): Promise<Context> {
 		{ argv, permissive: true }
 	);
 
-	const packageManager = detectPackageManager()?.name ?? 'npm';
+	const packageManager = (await detectPackageManager(process.cwd()))?.name ?? 'npm';
 	const {
 		_: [version = 'latest'] = [],
 		'--help': help = false,
diff --git a/packages/upgrade/src/messages.ts b/packages/upgrade/src/messages.ts
index 4f396422e..4fe181094 100644
--- a/packages/upgrade/src/messages.ts
+++ b/packages/upgrade/src/messages.ts
@@ -1,8 +1,8 @@
 /* eslint no-console: 'off' */
 import { color, label, spinner as load } from '@astrojs/cli-kit';
 import { align } from '@astrojs/cli-kit/utils';
+import detectPackageManager from 'preferred-pm';
 import terminalLink from 'terminal-link';
-import detectPackageManager from 'which-pm-runs';
 import type { PackageInfo } from './actions/context.js';
 import { shell } from './shell.js';
 
@@ -14,7 +14,7 @@ let _registry: string;
 export async function getRegistry(): Promise<string> {
 	if (_registry) return _registry;
 	const fallback = 'https://registry.npmjs.org';
-	const packageManager = detectPackageManager()?.name || 'npm';
+	const packageManager = (await detectPackageManager(process.cwd()))?.name || 'npm';
 	try {
 		const { stdout } = await shell(packageManager, ['config', 'get', 'registry']);
 		_registry = stdout?.trim()?.replace(/\/$/, '') || fallback;