diff --git a/package.json b/package.json
index 72d561bc5..00fdc2a2d 100644
--- a/package.json
+++ b/package.json
@@ -6,8 +6,18 @@
   "author": "Ryo Igarashi <n33t5hin@gmail.com>",
   "license": "AGPL-3.0",
   "main": "./dist/index.js",
-  "module": "./dist/index.mjs",
+  "exports": {
+    ".": {
       "types": "./dist/index.d.ts",
+      "require": "./dist/index.js",
+      "import": "./dist/index.mjs"
+    },
+    "./fetch": {
+      "types": "./dist/index.d.ts",
+      "require": "./dist/fetch.js",
+      "import": "./dist/fetch.mjs"
+    }
+  },
   "scripts": {
     "test": "npm-run-all test:*",
     "test:jest": "jest --coverage --config=jest.config.js",