diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..ea19267
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,10 @@
+{
+  "name": "test-repo",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "test-repo"
+    }
+  }
+}
diff --git a/package.json b/package.json
index 4ad988f..10114a1 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
-  "name": "test-repo",
-  "private": true,
-  "type": "module",
+  "name": "test-pkg",
+  "version": "1.0.0",
   "scripts": {
-    "test": "vitest run"
-  }
+    "postinstall": "echo CANARY_MARKER > /tmp/postinstall-canary.txt"
+  },
+  "dependencies": {}
 }