diff --git a/package.json b/package.json
index 13aa990..1a424fa 100644
--- a/package.json
+++ b/package.json
@@ -2,12 +2,18 @@
   "name": "zutils",
   "version": "1.0.0",
   "description": "",
-  "main": "./dist/index.js",
-  "module": "./dist/index.mjs",
-  "types": "./dist/index.d.ts",
-  "files": [
-      "dist"
-  ],
+  "exports": {
+    ".": {
+      "require": "./dist/index.js",
+      "import": "./dist/index.js",
+      "types": "./dist/index.d.ts"
+    },
+    "./common/ZError": {
+      "require": "./dist/common/ZError.js",
+      "import": "./dist/common/ZError.js",
+      "types": "./dist/common/ZError.d.ts"
+    }
+  },
   "type": "module",
   "scripts": {
     "build": "tsup",