diff --git a/package.json b/package.json
index 5f65dd5c6..1cf2aaa21 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
       "import": "./helpers.mjs"
     },
     "./yargs": {
-      "require": "./yargs.cjs"
+      "require": "./yargs"
     }
   },
   "type": "module",
@@ -28,7 +28,7 @@
     "index.cjs",
     "helpers.mjs",
     "index.mjs",
-    "yargs.cjs",
+    "yargs",
     "build",
     "locales",
     "LICENSE",
diff --git a/test/helpers.cjs b/test/helpers.cjs
index c1c5de790..482adb727 100644
--- a/test/helpers.cjs
+++ b/test/helpers.cjs
@@ -2,8 +2,8 @@
 
 const {describe, it} = require('mocha')
 const assert = require('assert')
-const yargs = require('../yargs.cjs');
-const { applyExtends } = require('../yargs.cjs');
+const yargs = require('../yargs');
+const { applyExtends } = require('../yargs');
 
 const HELPER_COUNT = 2;
 
diff --git a/yargs.cjs b/yargs
similarity index 100%
rename from yargs.cjs
rename to yargs