diff --git a/bin/index.js b/bin/index.js
index 21d235e..6e29890 100644
--- a/bin/index.js
+++ b/bin/index.js
@@ -227,7 +227,7 @@ async function detectPackageManager() {
     return await Promise.all([
         checkLockFile('yarn', 'yarn.lock'),
         checkLockFile('pnpm', 'pnpm-lock.yaml'),
-        checkLockFile('npm', 'package-lock.yaml'),
+        checkLockFile('npm', 'package-lock.json'),
         checkBinaryFile('yarn'),
         checkBinaryFile('pnpm'),
     ]).then(([yarnLock, pnpmLock, npmLock, yarnBin, pnpmBin]) => {
diff --git a/src/pm.ts b/src/pm.ts
index 85d85b8..3cbc941 100644
--- a/src/pm.ts
+++ b/src/pm.ts
@@ -9,7 +9,7 @@ export type PackageManager = 'npm' | 'pnpm' | 'yarn';
  */
 export async function detectPackageManager(): Promise<PackageManager> {
   const checkLockFile = async (binFileName: PackageManager, lockFileName: string): Promise<PackageManager | null> => {
-    return createGlobber(`**/${lockFileName}`)
+    return createGlobber(`${lockFileName}`)
       .then((g) => g.glob())
       .then((f) => (f ? binFileName : null));
   };
@@ -23,7 +23,7 @@ export async function detectPackageManager(): Promise<PackageManager> {
   return await Promise.all([
     checkLockFile('yarn', 'yarn.lock'),
     checkLockFile('pnpm', 'pnpm-lock.yaml'),
-    checkLockFile('npm', 'package-lock.yaml'),
+    checkLockFile('npm', 'package-lock.json'),
     checkBinaryFile('yarn'),
     checkBinaryFile('pnpm'),
   ]).then(([yarnLock, pnpmLock, npmLock, yarnBin, pnpmBin]) => {