diff --git a/packages/node-fetch/package.json b/packages/node-fetch/package.json
index 7f7e3722ac..8b3ede8d49 100644
--- a/packages/node-fetch/package.json
+++ b/packages/node-fetch/package.json
@@ -8,7 +8,7 @@
     "access": "public",
     "registry": "https://registry.npmjs.org/"
   },
-  "main": "./dist/index.js",
+  "main": "./dist/index.cjs",
   "types": "./dist/index.d.ts",
   "type": "module",
   "files": [
diff --git a/packages/node-fetch/webpack.config.js b/packages/node-fetch/webpack.config.js
index 2211a35789..f9a6937218 100644
--- a/packages/node-fetch/webpack.config.js
+++ b/packages/node-fetch/webpack.config.js
@@ -4,7 +4,7 @@ export default {
   entry: "./index.ts",
   output: {
     path: path.resolve("dist"),
-    filename: "index.js",
+    filename: "index.cjs",
     library: {
       type: "commonjs",
     },