diff --git a/src/index.ts b/src/index.ts
index a4691a28..c0aebb91 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -52,7 +52,7 @@ if (argv.version || argv.v) {
     const excludePaths = makeRegExp(
       argv.exclude,
       "exclude",
-      /package\.json$/,
+      /^package\.json$/,
       argv["case-sensitive-path-filtering"],
     )
     const packageManager = detectPackageManager(